50PLO middle set, scary turn

[NinaWilliams]

Villain is unknown. Flop play ok?

Full Tilt Poker $0.25/$0.50 Pot Limit Omaha Hi - 6 players
Hand Converter Tool from DeucesCracked.com

BB: $17.75
UTG: $47.60
MP: $19.50
CO: $42.20
Button: $57.85
SB: $111.55

Preflop: Hero is SB with Q[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/spade.gif[/img], 4[img]/images/graemlins/club.gif[/img], T[img]/images/graemlins/diamond.gif[/img]
UTG folds, MP calls $0.50, <font color="#FF0000">CO raises to $2.25</font>, Button folds, Hero calls $2, BB calls $1.75, MP calls $1.75.

Flop: ($9.00) Q[img]/images/graemlins/diamond.gif[/img], A[img]/images/graemlins/spade.gif[/img], 4[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#FF0000">Hero bets $9</font>, BB folds, MP folds, CO calls $9.

Turn: ($27.00) T[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
Hero