NL50: Set on a Flush board, Rs'd on Turn, River Action?

[oakrdrzfan]

Villain is 28/4/1 over 60 hands. I think his min rs on the Turn is saying flush. Is this river a c/c,c/f (for anything close to pot), b/f,push.

Should I have bet more on the Turn?

Full Tilt Poker, $0.25/$0.50 NL Hold'em Cash Game, 8 Players
LeggoPoker.com - Hand History Converter

MP2: $48.10
CO: $52.65
BTN: $17.20
Hero (SB): $49.50
BB: $35.75
UTG: $17.25
UTG+1: $92.50
MP1: $24.70

Pre-Flop: T[img]/images/graemlins/club.gif[/img] T[img]/images/graemlins/heart.gif[/img] dealt to Hero (SB)
UTG folds, UTG+1 calls $0.50, MP1 folds, MP2 calls $0.50, CO folds, BTN calls $0.50, Hero calls $0.25, BB checks

Flop: ($2.50) K[img]/images/graemlins/diamond.gif[/img] 3[img]/images/graemlins/diamond.gif[/img] T[img]/images/graemlins/spade.gif[/img] (5 Players)
<font color="red">Hero bets $2.50</font>, 2 folds, MP2 calls $2.50, BTN folds

Turn: ($7.50) 7[img]/images/graemlins/diamond.gif[/img] (2 Players)
<font color="red">Hero bets $4</font>, <font color="red">MP2 raises to $8</font>, Hero calls $4

River: ($23.50) J[img]/images/graemlins/heart.gif[/img] (2 Players)
Hero ????