NL400 AKo in 3b pot line check (LC)

[jetsetboy]

Vilain in this hand is uconnsports1 (for those who don't know him is a good nl400/600 regular on PS playing SLAG).

Poker Stars - No Limit Hold'em Cash Game - $2/$4 Blinds - 9 Players - (LegoPoker Hand History Converter)

Hero (SB): $447.85
BB: $120.75
UTG: $657.35
UTG+1: $428.80
MP1: $27.25
MP2: $525.90
MP3: $283.75
CO: $87.50
BTN: $417.30

Preflop: Hero is dealt A[img]/images/graemlins/club.gif[/img] K[img]/images/graemlins/heart.gif[/img] (9 Players)
3 folds, <font color="red">MP2 raises to $16.00</font>, 3 folds, <font color="red">Hero raises to $52.00</font>, BB folds, MP2 calls $36.00

Flop: ($108) 2[img]/images/graemlins/heart.gif[/img] 9[img]/images/graemlins/heart.gif[/img] 2[img]/images/graemlins/spade.gif[/img] (2 Players)
<font color="red">Hero bets $72.00</font>, MP2 calls $72.00

Turn: ($252) K[img]/images/graemlins/club.gif[/img] (2 Players)
Hero checks, MP2 checks

River: ($252) J[img]/images/graemlins/spade.gif[/img] (2 Players)
Hero ?

We haven't tangle much before. I think it was the first time I 3b him. He might view me as much tighter than I am as I played Short stack with him a few days ago.

At NL200 I cbet quite often with AK when I hit a K or A on the turn I usually just check if my cbet has been called in order to induce a bluff. I kind of lost here. Should I bet the turn or the river? How often will he call a turn bet with a weaker hand than mine? Once I've chose to check the turn should I c/c the river hoping that a low pp would try to push me out of QQ/TT or should I just lead?

Any comment wellcome, I think I've missplayed this one at some point but don't know where.