50NL QQ gets raised on decent flop in 3B pot

[creamfillin]

Villain is 17/8/3

No reads other than he donk/flat called with the nuts on the flop once. Villain took a LONG time before calling my 3B.

PokerStars No-Limit Hold'em, $0.50 BB (6 handed) Poker Stars Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

Hero ($57.65)
BB ($50.75)
UTG ($60.85)
MP ($43.80)
CO ($76.90)
Button ($76.25)

Preflop: Hero is SB with Q[img]/images/graemlins/diamond.gif[/img], Q[img]/images/graemlins/club.gif[/img].
<font color="#666666">2 folds</font>, <font color="#CC3333">CO raises to $1.75</font>, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to $6</font>, <font color="#666666">1 fold</font>, CO calls $4.25.

Flop: ($12.50) 9[img]/images/graemlins/club.gif[/img], 5[img]/images/graemlins/diamond.gif[/img], 6[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $8.5</font>, <font color="#CC3333">CO raises to $25</font>, <font color="#CC3333">Hero?