PS $22 - Board Pairs on River, What to Do?

These are some of the situations I'm trying to fine tune in my game. Second pair has paired on the board, and although villain didn't bet the flop, a J is still possible. You check this down or still try to value bet the river?

PokerStars No-Limit Hold'em Tourney, Big Blind is t30 (9 handed) converter

saw flop|<font color="#C00000">saw showdown</font>

Hero (t1440)
UTG (t1560)
UTG+1 (t1545)
MP1 (t1700)
MP2 (t1375)
MP3 (t1675)
CO (t850)
Button (t1475)
SB (t1880)

Preflop: Hero is BB with 8[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/heart.gif[/img].
<font color="#666666">1 fold</font>, UTG+1 calls t30, MP1 calls t30, MP2 calls t30, <font color="#666666">2 folds</font>, Button calls t30, SB completes, Hero checks.

Flop: (t180) 8[img]/images/graemlins/spade.gif[/img], 4[img]/images/graemlins/heart.gif[/img], J[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(6 players)</font>
SB checks, Hero checks, UTG+1 checks, MP1 checks, MP2 checks, Button checks.

Turn: (t180) A[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(6 players)</font>
SB checks, <font color="#CC3333">Hero bets t120</font>, UTG+1 folds, MP1 calls t120, MP2 folds, Button folds, SB folds.

River: (t420) J[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets t210</font>