AKo TPTK against river raise

[infinity235]

Villain is 18/0/0.32 after 400 hands. I'm pretty sure I'm beaten at the river but I could not let go of the 8 BB pot. Is a bet/fold here right or do I call the raise?

Party Poker
Limit Holdem Ring game
Limit: $0.05/$0.1
10 players
Converter

Pre-flop: (10 players) Hero is UTG+1 with A[img]/images/graemlins/club.gif[/img] K[img]/images/graemlins/heart.gif[/img]
UTG calls, <font color="#cc0000">Hero raises</font>, 8 folds, UTG calls.

Flop: A[img]/images/graemlins/heart.gif[/img] 4[img]/images/graemlins/diamond.gif[/img] 4[img]/images/graemlins/club.gif[/img] (5.4SB, 2 players)
UTG checks, <font color="#cc0000">Hero bets</font>, UTG calls.

Turn: J[img]/images/graemlins/heart.gif[/img] (3.7BB, 2 players)
UTG checks, <font color="#cc0000">Hero bets</font>, UTG calls.

River: 3[img]/images/graemlins/heart.gif[/img] (5.7BB, 2 players)
UTG checks, <font color="#cc0000">Hero bets</font>, <font color="#cc0000">UTG raises</font>, Hero calls.

Results:
Final pot: 9.7BB