1/2 Stars QQ, deep, interesting

[Rotterdaum]

Villain is cuse522. He is a regular, 22/12 over 200 hands. I'm playing straightforward TAG.

Do you still call that river bet if turn is as played? Seems incredibly unlikely to be a bluff. How would you play this differently? What is OK, what's not?

PokerStars No-Limit Hold'em, $2 BB (6 handed) internettexasholdem.com

saw flop|<font color="#C00000">saw showdown</font>

MP ($816.95)
CO ($193.35)
Hero ($716.90)
SB ($92)
BB ($229.35)
UTG ($32.55)

Preflop: Hero is Button with Q[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/diamond.gif[/img].
UTG calls $2, <font color="#CC3333">MP raises to $6</font>, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to $26</font>, <font color="#666666">2 folds</font>, UTG folds, MP calls $20.

Flop: ($57) 6[img]/images/graemlins/diamond.gif[/img], 3[img]/images/graemlins/heart.gif[/img], 6[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
MP checks, Hero checks.

Turn: ($57) 2[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
MP checks, <font color="#CC3333">Hero bets $31</font>, <font color="#CC3333">MP raises to $131</font>, Hero calls $100.

River: ($319) 7[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">MP bets $180</font>, Hero ????