what to do on turn?

[virompl]

What is best to do on turn, maybe I should have bet out?

MP is unknown
CO is 40/14/1

Party Poker 3/6 Hold'em (6 handed)

Preflop: Hero is SB with J[img]/images/graemlins/spade.gif[/img], K[img]/images/graemlins/spade.gif[/img].
<font color="#666666">1 fold</font>, MP calls, CO calls, <font color="#666666">1 fold</font>, Hero completes, BB checks.

Flop: (4 SB) 3[img]/images/graemlins/heart.gif[/img], Q[img]/images/graemlins/club.gif[/img], 9[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(4 players)</font>
Hero checks, BB checks, <font color="#CC3333">MP bets</font>, CO calls, Hero calls, BB folds.

Turn: (3.50 BB) J[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
Hero checks, MP checks, <font color="#CC3333">CO bets</font>, Hero ?