200NL HU Trip Aces River Decision

[Ben86]

Villian seems decent (Spede10), but I have been running well and beating him up. Thoughts on the river?

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

Hero ($390.90)
BB ($200)

Preflop: Hero is Button with 7[img]/images/graemlins/spade.gif[/img], A[img]/images/graemlins/club.gif[/img].
<font color="#CC3333">Hero raises to $7</font>, BB calls $4.

Flop: ($13) A[img]/images/graemlins/spade.gif[/img], 6[img]/images/graemlins/spade.gif[/img], 5[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
BB checks, <font color="#CC3333">Hero bets $9</font>, BB calls $9.

Turn: ($31) A[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
BB checks, <font color="#CC3333">Hero bets $24</font>, <font color="#CC3333">BB raises to $48</font>, Hero calls $24.

River: ($127) 8[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">BB bets $137 (All-In)</font>

[nation]

i fold this river