Wrong Call with KK ?!

[herbstl]

Villain is 18,7/3,3/1,5 after 91 Hands

When I Called I thought, he has AQs or bluffs. After reviewing this hand, i think it was a very bad Call, but i don't know the reason why - i didnt put him on a Pocket Pair nor QT/T8/86/Q8/Q6/J9 when calling my PF Raise



PokerStars No-Limit Hold'em, $1.00 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

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

UTG ($64.10)
<font color="#C00000">Hero ($223.05)</font>
CO ($93)
Button ($80.35)
SB ($145.85)
<font color="#C00000">BB ($102.45)</font>

Preflop: Hero is MP with K[img]/images/graemlins/spade.gif[/img], K[img]/images/graemlins/heart.gif[/img].
<font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to $4</font>, <font color="#666666">3 folds</font>, BB calls $3.

Flop: ($8.50) 6[img]/images/graemlins/heart.gif[/img], Q[img]/images/graemlins/spade.gif[/img], 8[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
BB checks, <font color="#CC3333">Hero bets $6</font>, BB calls $6.

Turn: ($20.50) T[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
BB checks, <font color="#CC3333">Hero bets $16</font>, <font color="#CC3333">BB raises to $92.45</font>, Hero calls $76.45.

River: ($205.40) J[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>

Final Pot: $205.40
<font color="#009B00">Main Pot: $205.40, between Hero and BB.</font> &gt; <font color="#FFFFFF">Pot won by BB ($205.40).</font>

Results in white below: <font color="#FFFFFF">
BB has Qh Ts (two pair, queens and tens).
Hero has Ks Kh (one pair, kings).
Outcome: BB wins $205.40. </font>