Need help on turn line

[Buck Turgidson]

Obvious flop call, pick up some more outs on the turn.
Don't know whether to flat call or raise.

Poker Stars - Pot Limit Omaha Cash Game - $0.10/$0.25 Blinds - 9 Players - (LegoPoker Hand History Converter)

SB: $11.80
BB: $14.40
UTG: $19.85
UTG+1: $20.00
MP1: $23.55
Hero (MP2): $25.00
MP3: $24.40
CO: $41.95
BTN: $20.45

Preflop: Hero is dealt 5[img]/images/graemlins/spade.gif[/img] 7[img]/images/graemlins/club.gif[/img] 3[img]/images/graemlins/diamond.gif[/img] A[img]/images/graemlins/spade.gif[/img] (9 Players)
UTG folds, UTG+1 calls $0.25, MP1 calls $0.25, Hero calls $0.25, MP3 calls $0.25, CO calls $0.25, BTN folds, SB calls $0.15, BB checks

Flop: ($1.75) 4[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/diamond.gif[/img] T[img]/images/graemlins/spade.gif[/img] (7 Players)
<font color="red">SB bets $0.75</font>, BB folds, UTG+1 calls $0.75, MP1 folds, Hero calls $0.75, 2 folds

Turn: ($4) 4[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/diamond.gif[/img] T[img]/images/graemlins/spade.gif[/img] 6[img]/images/graemlins/diamond.gif[/img] (3 Players)
<font color="red">SB bets $2.00</font>, UTG+1 folds, <font color="red">Hero ?