AK TPTK 3bet, monotone flop no FD oop

[Nataraja]

Villain is 16.5/13/3.2 through near 300 hands
I'm playing slightly LAG not been caught out of line, no real history or reads

PokerStars No-Limit Hold'em, $4 BB (6 handed) Poker Stars Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

BB ($704.40)
UTG ($530.65)
MP ($463.65)
CO ($458)
Button ($907.10)
Hero ($400)

Preflop: Hero is SB with K[img]/images/graemlins/club.gif[/img], A[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">2 folds</font>, <font color="#CC3333">CO raises to $16</font>, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to $56</font>, <font color="#666666">1 fold</font>, CO calls $40.

Flop: ($116) K[img]/images/graemlins/spade.gif[/img], 8[img]/images/graemlins/spade.gif[/img], T[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>

Final Pot: $116

what do you do? we'll say villain shoves if you lead and bets 90$ if you check. also say villain is capable of shoving JJ QQ with spade, and possibly the other pairs he calls with preflop (with a spade).