Turned nuts - C/C on river best option?

[erocplayer]

$4.40/180
Villian in BB has repeatedly shown to be very loose (called one 24xBB All-in w/ J5o)
Button also has been loose, but not as much so as the BB.

PokerStars No-Limit Hold'em Tourney, Big Blind is t100 (9 handed) Poker Stars Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

Button (t4037)
Hero (t2378)
BB (t5659)
UTG (t3250)
UTG+1 (t1240)
MP1 (t1570)
MP2 (t1315)
MP3 (t2880)
CO (t1156)

Preflop: Hero is SB with 9[img]/images/graemlins/heart.gif[/img], 8[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">3 folds</font>, MP2 calls t100, <font color="#666666">2 folds</font>, Button calls t100, Hero completes, BB checks.

Flop: (t400) T[img]/images/graemlins/spade.gif[/img], J[img]/images/graemlins/diamond.gif[/img], 5[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(4 players)</font>
Hero checks, BB checks, MP2 checks, Button checks.

Turn: (t400) 7[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">Hero bets t400 <font color="brown">(IS THIS GOOD SIZE?) </font> </font>, BB calls t400, MP2 folds, Button calls t400.

River: (t1600) 4[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
Hero check/calls?