AKo, is this too weak??

[tlnini]

Villian just sat down, his first hand, so have no read. The cap on the flop really puzzled me. Appreciate any suggestion. Tks

Party Poker 2/4 Hold'em (9 handed) converter

Preflop: Hero is MP2 with A[img]/images/graemlins/spade.gif[/img], K[img]/images/graemlins/heart.gif[/img].
<font color="#666666">3 folds</font>, <font color="#CC3333">Hero raises</font>, <font color="#666666">4 folds</font>, BB :#A500AF(Villian)/ calls.

Flop: (4.50 SB) 9[img]/images/graemlins/diamond.gif[/img], A[img]/images/graemlins/diamond.gif[/img], 8[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
Villian checks, <font color="#CC3333">Hero bets</font>, <font color="#CC3333">Villian raises</font>, <font color="#CC3333">Hero 3-bets</font>, <font color="#CC3333">Villian caps</font>, Hero calls.

Turn: (6.25 BB) 5[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Villian bets</font>, Hero calls.

River: (8.25 BB) 2[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
Villian checks, Hero?? -- Is it too weak to check here considering the flop action?

Final Pot: 8.25 BB