1/2 NL, bluff river against a TAG 2+2er?

[wpr101]

Villian is 18/14/2.5 over 617 hands. I figured this ace has to be a good card for me to bet? However, I am sort of worried that he's calling turn like that and checking river. Discuss.

PokerStars No-Limit Hold'em, $2 BB (5 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

BB ($375.50)
UTG ($163.50)
wpr101 ($209.20)
Button ($224.50)
SB ($192)

Preflop: wpr101 is MP with J[img]/images/graemlins/spade.gif[/img], T[img]/images/graemlins/spade.gif[/img].
UTG calls $2, <font color="#CC3333">wpr101 raises to $9</font>, Button calls $9, SB calls $8, <font color="#666666">1 fold</font>, UTG folds.

Flop: ($31) Q[img]/images/graemlins/heart.gif[/img], 3[img]/images/graemlins/diamond.gif[/img], 6[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, wpr101 checks, Button checks.

Turn: ($31) 4[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, <font color="#CC3333">wpr101 bets $18</font>, Button folds, SB calls $18.

River: ($67) A[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, <font color="#CC3333">wpr101 bets $54</font>...

[Dan Bitel]

don't post results, but yeah, its a great card to bet (and not a bad flop to bet either)

[wpr101]

[ QUOTE ]
don't post results, but yeah, its a great card to bet (and not a bad flop to bet either)

[/ QUOTE ]

Oh yeah, I meant to take that out. Thanks for the edit.