can I fold top full

[nigul]

As played, should I be thinking about folding here? Don't know much about this player. Some hands before we were both allin on flop with made str8's and I was freerolling to flush, but we chopped the pot.

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

Stack sizes:
UTG: $10.60
CO: $10
Button: $8.15
SB: $3.25
Hero: $21.60

Pre-flop: (5 players) Hero is BB with 9[img]/images/graemlins/diamond.gif[/img] 7[img]/images/graemlins/heart.gif[/img] 3[img]/images/graemlins/heart.gif[/img] 9[img]/images/graemlins/spade.gif[/img]
UTG calls, CO (poster) checks, Button calls, SB calls, Hero (poster) checks.

Flop: 7[img]/images/graemlins/diamond.gif[/img] 9[img]/images/graemlins/club.gif[/img] 2[img]/images/graemlins/diamond.gif[/img] ($0.5, 5 players)
SB checks, <font color="#cc0000">Hero bets $0.1</font>, <font color="#cc0000">UTG raises to $0.5</font>, 3 folds, Hero calls.

Turn: 6[img]/images/graemlins/diamond.gif[/img] ($1.5, 2 players)
Hero checks, <font color="#cc0000">UTG bets $0.75</font>, Hero calls.

River: 2[img]/images/graemlins/heart.gif[/img] ($3, 2 players)
<font color="#cc0000">Hero bets $3</font>, <font color="#cc0000">UTG raises all-in $9.25</font>, Hero?