AK TPTK ... lets see how bad I can butcher this one

[ThePlan]

Villain is redgrape on pokerstars, runs at 21/15. He is 2+2 I think, if its the same guy.

He instachecked behind me on the turn.

Thoughts on the flop call, river bet, and what to do about the river are appreciated.

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

Button ($204.60)
SB ($173.55)
BB ($100)
UTG ($576.35)
Hero ($199)
CO ($352.15)

Preflop: Hero is MP with K[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to $8</font>, CO calls $8, <font color="#666666">1 fold</font>, SB calls $7, <font color="#666666">1 fold</font>.

Flop: ($26) 2[img]/images/graemlins/heart.gif[/img], 4[img]/images/graemlins/spade.gif[/img], A[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, <font color="#CC3333">Hero bets $18</font>, <font color="#CC3333">CO raises to $54</font>, SB folds, Hero calls $36.

Turn: ($134) 8[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, CO checks.

River: ($134) T[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $60</font>, <font color="#CC3333">CO raises to $144</font>