bottom set on 3flush board

[Anycall]

villain is pretty tight and passive. running 19/8 over 500hands. haven't seen him make moves or big bluffs.

what i am interested to know is the turn action AND river action in this type of situation.

Absolute Poker
No Limit Holdem Ring game
Blinds: $0.50/$1
5 players
Converter

Stack sizes:
UTG: $72.95
CO: $194.10
hero: $244.99
SB: $40.76
BB: $107.47

Pre-flop: (5 players) hero is Button with 5[img]/images/graemlins/club.gif[/img] 5[img]/images/graemlins/spade.gif[/img]
UTG folds, <font color="#cc0000">CO raises to $3</font>, hero calls, 2 folds.

Flop: 7[img]/images/graemlins/club.gif[/img] 5[img]/images/graemlins/diamond.gif[/img] K[img]/images/graemlins/diamond.gif[/img] ($7.5, 2 players)
<font color="#cc0000">CO bets $4</font>, <font color="#cc0000">hero raises to $14</font>, CO calls.

Turn: Q[img]/images/graemlins/diamond.gif[/img] ($35.5, 2 players)
CO checks, <font color="#cc0000">hero bets $23</font>, CO calls.

River: A[img]/images/graemlins/spade.gif[/img] ($81.5, 2 players)
CO checks, <font color="#cc0000">hero bets $54</font>, <font color="#cc0000">CO raises to $108</font>, hero is pissed.