Top pair mid kicker - Value bet river?

[ep510]

BB is 17/7/2.2 over 400 hands

Party Poker 5.00/10.00 Hold'em <font color="#0000FF">(10 handed)</font> link

Preflop: Hero is UTG+2 with A[img]/images/graemlins/heart.gif[/img], T[img]/images/graemlins/spade.gif[/img].
UTG calls, <font color="#666666">1 folds</font>, <font color="#CC3333">Hero raises</font>, MP1 calls, MP2 calls, <font color="#666666">4 folds</font>, BB calls, UTG calls.

Flop: (10.40 SB) 8[img]/images/graemlins/club.gif[/img], 4[img]/images/graemlins/spade.gif[/img], A[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(5 players)</font>
BB checks, UTG checks, <font color="#CC3333">Hero bets</font>, MP1 calls, MP2 folds, BB calls, UTG calls.

Turn: (7.20 BB) J[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(4 players)</font>
BB checks, UTG checks, <font color="#CC3333">Hero bets</font>, MP1 calls, <font color="#CC3333">BB raises</font>, UTG calls, Hero calls, MP1 calls.

River: (15.20 BB) 5[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(4 players)</font>
BB checks, UTG checks, <font color="#CC3333">Hero bets</font>, MP1 folds, BB calls, UTG folds.

Final Pot: 17.20 BB.