TPTK turned 2 pair, too fancy?

[thesharpie]

Paradise Poker 0.25/0.50 Hold'em (10 handed) converter

Preflop: Hero is MP2 with J[img]/images/graemlins/diamond.gif[/img], A[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">4 folds</font>, <font color="#CC3333">Hero raises</font>, MP3 calls, <font color="#666666">3 folds</font>, BB calls.

Flop: (6.40 SB) 7[img]/images/graemlins/club.gif[/img], J[img]/images/graemlins/heart.gif[/img], 4[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font>
BB checks, <font color="#CC3333">Hero bets</font>, <font color="#CC3333">MP3 raises</font>, BB calls, Hero calls.

Turn: (6.20 BB) A[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
BB checks, Hero checks, <font color="#CC3333">MP3 bets</font>, BB calls, <font color="#CC3333">Hero raises</font>, <font color="#CC3333">MP3 3-bets</font>, BB calls, <font color="#CC3333">Hero caps</font>, MP3 calls, BB calls.

River: (18.20 BB) 8[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
BB checks, Hero checks, <font color="#CC3333">MP3 bets</font>, BB folds, Hero calls.

Final Pot: 20.20 BB

Would you play it any differently? 3 bet the flop? Lead the turn? Lead the river?