1-2 Nl Good spot for a river bluff?

[Money2Burn]

Villian is pretty much an unknown, seems kind of loose passive, so is this a good river to push against a virtual unknown or is it just a spew?


Prima Network No-Limit Hold'em, $2.00 BB (6 handed) Hand History converter Courtesy of PokerZion.com

UTG ($266.93)
MP ($221.94)
Hero ($218.85)
Button ($260.94)
SB ($197.00)
BB ($192.50)

Preflop: Hero is CO with K[[img]/images/graemlins/spade.gif[/img]], T[[img]/images/graemlins/heart.gif[/img]].
2 folds, Hero raises to $7, Button calls $7, 1 fold, BB calls $5.

Flop: ($22) 4[[img]/images/graemlins/diamond.gif[/img]], K[[img]/images/graemlins/club.gif[/img]], 6[[img]/images/graemlins/club.gif[/img]] (3 players)
BB checks, Hero bets $15, Button calls $15, BB folds.

Turn: ($52) 8[[img]/images/graemlins/club.gif[/img]] (2 players)
Hero bets $35, Button calls $35.

River: ($122) A[[img]/images/graemlins/club.gif[/img]] (2 players)
Hero bets $161.85 (All-In).