Value bet this river?

[Spurious]

Poker Stars, $0.10/$0.25 NL Hold'em Cash Game, 5 Players
LeggoPoker.com - Hand History Converter

CO: $33.25
BTN: $33.20
Hero (SB): $26.65
BB: $48.35
UTG: $2.50

Pre-Flop: 8[img]/images/graemlins/diamond.gif[/img] T[img]/images/graemlins/diamond.gif[/img] dealt to Hero (SB)
UTG folds, <font color="red">CO raises to $0.50</font>, BTN calls $0.50, Hero calls $0.40, BB folds

Flop: ($1.75) 8[img]/images/graemlins/heart.gif[/img] A[img]/images/graemlins/heart.gif[/img] 5[img]/images/graemlins/diamond.gif[/img] (3 Players)
Hero checks, <font color="red">CO bets $0.50</font>, BTN calls $0.50, Hero calls $0.50

Turn: ($3.25) 8[img]/images/graemlins/spade.gif[/img] (3 Players)
Hero checks, <font color="red">CO bets $0.50</font>, BTN calls $0.50, <font color="red">Hero raises to $3</font>, CO calls $2.50, BTN folds

River: ($9.75) 9[img]/images/graemlins/heart.gif[/img] (2 Players)
Hero value bets?


CO and BTN:
No stats on both, but they won quite a lot of pots recently, so they seem to be loose.