fold or call on river

[nigul]

Should I be able to lay down hands like this on river to make profit on a long term. I tend to call 100% of time that kind of small bets when the villain obviously has me beat.
Other comments on this hand are also welcome.

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

Stack sizes:
Button: $6.55
SB: $2.80
Hero: $5.95

Pre-flop: (3 players) Hero is BB with 4[img]/images/graemlins/heart.gif[/img] 9[img]/images/graemlins/heart.gif[/img] 3[img]/images/graemlins/diamond.gif[/img] T[img]/images/graemlins/spade.gif[/img]
Button calls, SB calls, Hero checks.

Flop: 8[img]/images/graemlins/heart.gif[/img] 5[img]/images/graemlins/diamond.gif[/img] Q[img]/images/graemlins/heart.gif[/img] ($0.3, 3 players)
SB checks, Hero checks, <font color="#cc0000">Button bets $0.3</font>, SB folds, Hero calls.

Turn: J[img]/images/graemlins/diamond.gif[/img] ($0.9, 2 players)
Hero checks, <font color="#cc0000">Button bets $0.45</font>, <font color="#cc0000">Hero raises to $2.1</font>, Button calls.

River: 9[img]/images/graemlins/diamond.gif[/img] ($5.1, 2 players)
Hero checks, <font color="#cc0000">Button bets $1</font>, Hero calls.

Final pot: $7.1