NL 50 AKs- high variance play, u like?

[machine]

villan is 33.3/23.5/0.88 over 45 hands

Full Tilt Poker
No Limit Holdem Ring game
Blinds: $0.25/$0.50
8 players
Converter

Stack sizes:
UTG: $38
UTG+1: $18.50
hero: $50.75
MP2: $116.90
CO: $39.85
Button: $40.30
SB: $49.75
BB: $66.25

Pre-flop: (8 players) hero is MP1 with K[img]/images/graemlins/heart.gif[/img] A[img]/images/graemlins/heart.gif[/img]
2 folds, <font color="#cc0000">hero raises to $2</font>, <font color="#cc0000">MP2 raises to $7</font>, 4 folds, hero calls.

Flop: J[img]/images/graemlins/diamond.gif[/img] 6[img]/images/graemlins/diamond.gif[/img] K[img]/images/graemlins/diamond.gif[/img] ($14.75, 2 players)
hero checks, <font color="#cc0000">MP2 bets $7</font>, <font color="#cc0000">hero raises all-in $43.75</font>

I knew my AK was far ahead of his pre-flop range but i didnt wanna race pre-flop. Before the flop came i was planning to check/raise all in any flop i hit, i knew he was leading any flop with a wide range most probably.