I fold AK PF

[eBo]

2nd hand at table, don't know anything about villain but I'm assuming his range is QQ+,AK, air. I know this play is normal in tournaments, but is it nitty in cash games?

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

BB ($843.90)
UTG ($129)
MP ($644.30)
CO ($238.30)
Hero ($846)
SB ($282.80)

Preflop: Hero is Button with A[img]/images/graemlins/diamond.gif[/img], K[img]/images/graemlins/spade.gif[/img].
<font color="#666666">2 folds</font>, <font color="#CC3333">CO raises to $18</font>, <font color="#CC3333">Hero raises to $54</font>, <font color="#666666">1 fold</font>, <font color="#CC3333">BB raises to $186</font>, CO folds, Hero folds.

Final Pot: $129