Should I bet on turn?

[nigul]

What's most profitable decision on this turn? It was probably stupid to make such a bet against so small stack as if he had something he obiously would go allin. But I put him on str8 draw on flop.

Full Tilt Poker
Pot Limit Omaha Ring game
Blinds: $0.05/$0.10
3 players
Converter

Stack sizes:
Button: $26.70
SB: $3.80
Hero: $10.40

Pre-flop: (3 players) Hero is BB with A[img]/images/graemlins/heart.gif[/img] 4[img]/images/graemlins/diamond.gif[/img] A[img]/images/graemlins/spade.gif[/img] 2[img]/images/graemlins/heart.gif[/img]
Button calls, SB calls, <font color="#cc0000">Hero raises to $0.3</font>, Button calls, SB calls.

Flop: 5[img]/images/graemlins/spade.gif[/img] T[img]/images/graemlins/diamond.gif[/img] 7[img]/images/graemlins/heart.gif[/img] ($0.9, 3 players)
SB checks, <font color="#cc0000">Hero bets $0.6</font>, Button folds, SB calls.

Turn: T[img]/images/graemlins/spade.gif[/img] ($2.1, 2 players)
SB checks, <font color="#cc0000">Hero bets $1.05</font>, <font color="#cc0000">SB raises all-in $2.9</font>, Hero folds.
Uncalled bets: $1.85 returned to SB.

Final pot: $4.2