2/4 6 max, flopped set played passively

[sahaguje]

Villain is tight and agressive, 30/10, agression factor 4,3. Even if I have a somewhat loose image, there is no way he will call any raise without being a favorite over me. Still, I obviously should have raised. But when and why ?

Poker Stars
Pot Limit Omaha Ring game
Blinds: $2/$4
5 players
Converter

Stack sizes:
UTG: $400
CO: $177
Hero: $311.35
SB: $465.15
BB: $286.60

Pre-flop: (5 players) Hero is Button with Q[img]/images/graemlins/diamond.gif[/img] Q[img]/images/graemlins/club.gif[/img] 4[img]/images/graemlins/diamond.gif[/img] T[img]/images/graemlins/heart.gif[/img]
UTG (poster) checks, CO (poster) checks, Hero calls, SB calls, BB (poster) checks.

Flop: 8[img]/images/graemlins/spade.gif[/img] J[img]/images/graemlins/spade.gif[/img] Q[img]/images/graemlins/heart.gif[/img] ($20, 5 players)
<font color="#cc0000">SB bets $19</font>, 3 folds, Hero calls.

Turn: 9[img]/images/graemlins/heart.gif[/img] ($58, 2 players)
<font color="#cc0000">SB bets $56</font>, Hero calls.

River: 2[img]/images/graemlins/diamond.gif[/img] ($170, 2 players)
<font color="#cc0000">SB bets $168</font>, Hero calls.

Results:
Final pot: $506