Flopping 2 pair out of the blinds and going to war

[jskills]

Villan seems pretty solid - is a TAG.

Party Poker 2/4 Hold'em (10 handed) converter

Preflop: Hero is SB with 3[img]/images/graemlins/spade.gif[/img], 4[img]/images/graemlins/spade.gif[/img].
<font color="#666666">1 fold</font>, UTG+1 calls, UTG+2 calls, <font color="#666666">5 folds</font>, Hero completes, BB checks.

Flop: (4 SB) 7[img]/images/graemlins/heart.gif[/img], 4[img]/images/graemlins/club.gif[/img], 3[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">Hero bets</font>, BB folds, UTG+1 calls, <font color="#CC3333">UTG+2 raises</font>, <font color="#CC3333">Hero 3-bets</font>, UTG+1 folds, <font color="#CC3333">UTG+2 caps</font>, Hero calls.

Turn: (6.50 BB) T[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero ?</font>

Ok, given the flop cap, what's our plan here?

Check / call down?
Bet / call down?
Bet / fold?