getting counterfeited on the turn

[Kerlossos]

What do I do in spots like this?
Enemies like to chase a lot and are generally pretty bad.

Poker Stars
Limit Omaha Ring game
Limit: $0.10/$0.2
10 players
Converter

Stack sizes:
UTG: $4.79
UTG+1: $6.70
UTG+2: $4.77
MP1: $3.68
MP2: $10.21
MP3: $1.28
CO: $1.47
Hero: $3.50
SB: $3.73
BB: $6.31

Pre-flop: (10 players) Hero is Button with 3[img]/images/graemlins/heart.gif[/img] A[img]/images/graemlins/spade.gif[/img] 9[img]/images/graemlins/heart.gif[/img] 2[img]/images/graemlins/spade.gif[/img]
4 folds, MP2 calls, MP3 folds, CO calls, <font color="#cc0000">Hero raises</font>, SB calls, BB folds, MP2 calls, CO calls.

Flop: 9[img]/images/graemlins/club.gif[/img] 7[img]/images/graemlins/diamond.gif[/img] 2[img]/images/graemlins/diamond.gif[/img] (9SB, 4 players)
<font color="#cc0000">SB bets</font>, MP2 folds, CO calls, <font color="#cc0000">Hero raises</font>, SB calls, CO calls.

Turn: 3[img]/images/graemlins/club.gif[/img] (7.5BB, 3 players)
SB checks, CO checks, Hero ???