PL 0.05$ Fold River?

[Gulli85]

Hi,

i´m new at omaha and don´t know how two play this hand. Should i play more passive, and is the fold at the river ok?

PokerStars Pot-Limit Omaha/8, $0.05 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

SB ($10.39)
Hero ($10.35)
UTG ($2.57)
MP ($14.85)
CO ($4.01)
Button ($2.26)

Preflop: Hero is BB with 7, 9, 8, 3.
UTG calls $0.05, [color=#666666]1 fold</font>, CO calls $0.05, Button calls $0.05, [color=#666666]1 fold</font>, Hero checks.

Flop: ($0.22) 7, 5, 6 [color=#0000FF](4 players)</font>
[color=#CC3333]Hero bets $0.22</font>, UTG calls $0.22, CO calls $0.22, Button folds.

Turn: ($0.88) A [color=#0000FF](3 players)</font>
[color=#CC3333]Hero bets $0.88</font>, UTG calls $0.88, CO calls $0.88.

River: ($3.52) 9 [color=#0000FF](3 players)</font>
Hero checks, UTG checks, [color=#CC3333]CO bets $2.86 (All-In)</font>, Hero folds, UTG calls $1.42 (All-In).

Final Pot: $7.80

Results in white below: [color=#FFFFFF]
UTG has 3s Jc 4s 9d (Low: 6, 5, 4, 3, A | High: straight, seven high).
CO has Th 7h 2s 6s (Low: 7, 6, 5, 2, A | High: two pair, sevens and sixes).
Outcome: UTG wins $6.36. CO wins $1.44. </font>