Folding top set on the river?

[TheGrinder]

Is this river call hopeless? Should I just lay it down, what can I beat? Hard to lay down top set. BB is fishy 72/10.

Poker Room skin
Limit Holdem Ring game
Limit: $5/$10
4 players
Converter

Pre-flop: (4 players) Hero is Button with A[img]/images/graemlins/club.gif[/img] A[img]/images/graemlins/heart.gif[/img]
UTG folds, <font color="#cc0000">Hero raises</font>, SB folds, BB calls.

Flop: A[img]/images/graemlins/spade.gif[/img] 7[img]/images/graemlins/spade.gif[/img] 8[img]/images/graemlins/spade.gif[/img] (4.4SB, 2 players)
<font color="#cc0000">BB bets</font>, <font color="#cc0000">Hero raises</font>, <font color="#cc0000">BB 3-bets</font>, <font color="#cc0000">Hero caps</font>, BB calls.

Turn: 5[img]/images/graemlins/spade.gif[/img] (6.2BB, 2 players)
<font color="#cc0000">BB bets</font>, Hero calls.

River: 2[img]/images/graemlins/diamond.gif[/img] (8.2BB, 2 players)
<font color="#cc0000">BB bets</font>, Hero calls.

Results:
Final pot: 10.2BB