$27 missed AK. I did not cbet

[RexWoo]

Hi,

PokerStars Tournament, Big Blind is t20 (9 handed) Converter on pregopoker.com

UTG (t1570)
UTG+1 (t1500)
MP1 (t1730)
MP2 (t1510)
MP3 (t1490)
Hero (t1470)
Button (t1370)
SB (t1460)
BB (t1400)

Preflop: Hero is in CO with K[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/club.gif[/img]
<font color="gray">UTG folds</font>, <font color="gray">UTG+1 folds</font>, <font color="gray">MP1 folds</font>, <font color="gray">MP2 folds</font>, <font color="gray">MP3 folds</font>, <font color="red">Hero raises to t60</font>, <font color="gray">Button folds</font>, <font color="gray">SB folds</font>, BB calls t40

Flop: (t130) 5[img]/images/graemlins/diamond.gif[/img] 6[img]/images/graemlins/spade.gif[/img] Q[img]/images/graemlins/diamond.gif[/img] (2 players)
BB checks, Hero checks

Turn: (t130) 9[img]/images/graemlins/spade.gif[/img] (2 players)
BB checks, Hero checks

River: (t130) 6[img]/images/graemlins/club.gif[/img] (2 players)
BB checks, Hero checks

5th hand. Villain is unknown.

I did not cbet here. Do you cbet 100% of the time ?