Uncomfortable Hand against a couple of maniacs

[tonysoldier]

UTG is nuts (68/30/0.8) but seems to play erratically but not entirely stupid after the flop. CO is lp ultra fish. What should I have done?

Party Poker 30/60 Hold'em (10 handed) FTR converter on zerodivide.cx

Preflop: Hero is BB with 5[img]/images/graemlins/spade.gif[/img], 5[img]/images/graemlins/club.gif[/img].
<font color="#CC3333">UTG raises</font>, <font color="#666666">5 folds</font>, CO calls, <font color="#666666">2 folds</font>, Hero calls.

Flop: (6.50 SB) 9[img]/images/graemlins/heart.gif[/img], 3[img]/images/graemlins/diamond.gif[/img], T[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
Hero checks, UTG checks, CO checks.

Turn: (3.25 BB) 6[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets</font>, <font color="#CC3333">UTG raises</font>, CO folds, Hero folds.

Final Pot: 6.25 BB