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

Preflop: Hero is BB with Q[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">6 folds</font>, CO calls, Button calls, SB completes, <font color="#CC3333">Hero raises</font>, CO calls, <font color="#CC3333">Button 3-bets</font>, SB folds, <font color="#CC3333">Hero caps</font>, CO calls, Button calls.

Flop: (13 SB) J[img]/images/graemlins/club.gif[/img], 2[img]/images/graemlins/club.gif[/img], 7[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets</font>, <font color="#CC3333">CO raises</font>, Button calls, Hero calls.

Didn't think I had enough equity for a 3bet (though close). Was thinking I would c/r a turn blank. I didn't think a free card would be taken or hurt often enough to worry about. Then this.....

Turn: (9.5BB) 7[img]/images/graemlins/diamond.gif[/img]<font color="#0000FF">(3 players)</font>
Hero checks, <font color="#CC3333">CO bets</font>, <font color="#CC3333">Button raises</font>, <font color="green"> Hero??</font>