10 NL common situation, flop set, river completes flush

[crovax4444]

Full Tilt Poker - No Limit Hold'em Cash Game - $0.05/$0.10 Blinds - 4 Players - (LegoPoker Hand History Converter)

SB: $12.00
BB: $6.80
UTG: $15.50
Hero (BTN): $11.60

Preflop: Hero is dealt 5 5[img]/images/graemlins/heart.gif[/img] (4 Players)
<font color="red">UTG raises to $0.35</font>, Hero calls $0.35, 2 folds

Flop: ($0.85) 5[img]/images/graemlins/spade.gif[/img] 7 A (2 Players)
UTG checks, <font color="red">Hero bets $0.85</font>, UTG calls $0.85

Turn: ($2.55) K[img]/images/graemlins/spade.gif[/img] (2 Players)
UTG checks, <font color="red">Hero bets $2.55</font>, UTG calls $2.55

River: ($7.65) 3 (2 Players)
UTG checks, Hero...

Check? Bet 1/2 pot? Bet pot? Is this situationally dependent or is there a default line?

Other things I've had trouble with. Lets say UTG bets $1. Do we raise? (assume unknown)

Crovax