200NL blind vs. blind 56s

[nuggetz87]

this is pretty basic probably. villain is TAG so probably has a decent hand here. should i fire on the river to rep an ace?

PokerStars No-Limit Hold'em, $2 BB (3 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

BB ($224.55)
Button ($178.60)
Hero ($420.20)

Preflop: Hero is SB with 5[img]/images/graemlins/spade.gif[/img], 6[img]/images/graemlins/spade.gif[/img].
<font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to $8</font>, BB calls $6.

Flop: ($16) 4[img]/images/graemlins/spade.gif[/img], T[img]/images/graemlins/diamond.gif[/img], 5[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $12</font>, BB calls $12.

Turn: ($40) A[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, BB checks.

River: ($40) 2[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">BB bets $20</font>, Hero folds.

Final Pot: $60