Two bad hands. Help?

Two of the many hands of limit hold 'em last night that I lost are gnawing at me. How would you have played these?

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Hand 1:

I'm in the small blind at a $3/$6 table, and get dealt Jh Jc.

Two callers, the button raises, I call, big blind calls, the two callers call. Pot is $30.

Flop is 4s, 8d, Tc.

I've got an overpair, so I bet $3. Big blind calls, next player folds, middle position calls, the button raises. I call (I should've folded here I think), and the big blind raises out of nowhere. The other three of us call. Pot is $66.

Turn is Qs.

I check, big blind checks, and now the guy in middle position bets $6. The other three of us call. Pot is now $80.

River is Ah. It checks around.

I show my pocket jacks, ace kicker. Big blind shows his failed spade flush draw, 6s 7s. Middle position shows his failed spade flush draw, 9s Ts (pair of tens). Button shows pocket kings.

I think the pot odds favored me; should I have stayed in as I did?

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Hand 2:

I'm in the big blind at a $3/$6 table, and get dealt Ad Ah.

Everyone folds to the button, who raises to $6. Small blind folds, and I call.

Flop is 3d, 2d, 7s.

I bet. Button raises. I re-raise. Button calls.

Turn is 5h.

I bet, button calls. This tells me that the flop probably didn't help.

River is 3c.

I bet, button raises. Only a 4 or a 3 could hurt, and the guy on the button has been playing like a good player, so I don't think he's got it. I call.

He shows 3s Kh. His set of 3's beat my pocket aces.

I played this one right. Didn't I?

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Full details are below:

***** Hand History for Game 1453734657 *****
$3/$6 Hold'em - Tuesday, January 18, 01:31:03 EDT 2005
Table classic table (Real Money)
Seat 8 is the button
Total number of players : 9
Seat 2: jkim13_13 ( $175.5 )
Seat 3: geturdone32 ( $167.25 )
Seat 5: kpulliam ( $114 )
Seat 6: mitchteeney ( $124.5 )
Seat 7: ESKIMO_13 ( $113.5 )
Seat 8: kaashmir ( $157.5 )
Seat 10: herjn64 ( $282.5 )
Seat 9: laurict ( $128 )
Seat 4: SlickWillie ( $141 )
laurict posts small blind [$1].
herjn64 posts big blind [$3].
** Dealing down cards **
Dealt to laurict [ Jh Jc ]
jkim13_13 folds.
geturdone32 calls [$3].
SlickWillie folds.
kpulliam folds.
mitchteeney calls [$3].
ESKIMO_13 raises [$6].
kaashmir folds.
laurict calls [$5].
herjn64 calls [$3].
geturdone32 calls [$3].
mitchteeney calls [$3].
** Dealing Flop ** [ 4s, 8d, Tc ]
laurict bets [$3].
herjn64 calls [$3].
geturdone32 folds.
mitchteeney calls [$3].
ESKIMO_13 raises [$6].
laurict calls [$3].
herjn64 raises [$6].
mitchteeney calls [$6].
ESKIMO_13 calls [$3].
laurict calls [$3].
** Dealing Turn ** [ Qs ]
laurict checks.
herjn64 checks.
ESKIMO_13: this sucks...
mitchteeney bets [$6].
ESKIMO_13 calls [$6].
laurict calls [$6].
herjn64 calls [$6].
** Dealing River ** [ Ah ]
laurict checks.
herjn64 checks.
mitchteeney checks.
ESKIMO_13 checks.
laurict shows [ Jh, Jc ] a pair of jacks.
herjn64 doesn't show [ 6s, 7s ] high card ace.
mitchteeney doesn't show [ Ts, 9s ] a pair of tens.
ESKIMO_13 shows [ Kc, Kh ] a pair of kings.
ESKIMO_13 wins $87 from the main pot with a pair of kings.


***** Hand History for Game 1453903608 *****
$3/$6 Hold'em - Tuesday, January 18, 02:17:26 EDT 2005
Table classic table (Real Money)
Seat 6 is the button
Total number of players : 8
Seat 6: mitchteeney ( $249 )
Seat 7: ESKIMO_13 ( $268 )
Seat 10: herjn64 ( $319.5 )
Seat 9: laurict ( $99 )
Seat 4: SlickWillie ( $132 )
Seat 1: iH8realityTV ( $29 )
Seat 2: rivercoming ( $127 )
Seat 3: John1838 ( $300 )
ESKIMO_13 posts small blind [$1].
laurict posts big blind [$3].
** Dealing down cards **
Dealt to laurict [ Ad Ah ]
herjn64 folds.
iH8realityTV folds.
rivercoming folds.
John1838 folds.
SlickWillie folds.
mitchteeney raises [$6].
ESKIMO_13 folds.
laurict calls [$3].
** Dealing Flop ** [ 3d, 2d, 7s ]
laurict bets [$3].
mitchteeney raises [$6].
laurict raises [$6].
mitchteeney calls [$3].
** Dealing Turn ** [ 5h ]
laurict bets [$6].
mitchteeney calls [$6].
** Dealing River ** [ 3c ]
laurict bets [$6].
mitchteeney raises [$12].
laurict calls [$6].
mitchteeney shows [ 3s, Kh ] three of a kind, threes.
laurict shows [ Ad, Ah ] two pairs, aces and threes.
mitchteeney wins $64 from the main pot with three of a kind, threes.