Time to fire that last barrel? nl2k

[Tumez]

BossMedia Game #785180147: Table Table TH 74 - $10.00/$20.00 - No Limit Hold'em - 19:26:44 - 2007/10/11

Seat 1: redsky14 ($2000.00)
Seat 2: Hero ($1970.00)
Seat 3: Tilt@JeKi ($2057.00)
Seat 4: _PLZbustME ($2070.00)
Seat 5: Bertin H ($1279.00)

_PLZbustME posts the small blind of $10.00
Bertin H posts the big blind of $20.00

Tilt@JeKi is the button

*** HOLE CARDS ***
Dealt to Hero [A [img]/images/graemlins/heart.gif[/img] J [img]/images/graemlins/club.gif[/img]]

redsky14 raises $80.00
Hero calls $80.00
Tilt@JeKi folds
_PLZbustME calls $80.00
Bertin H folds

*** FLOP *** [Q [img]/images/graemlins/diamond.gif[/img] 2 [img]/images/graemlins/spade.gif[/img] 6 [img]/images/graemlins/heart.gif[/img]]

_PLZbustME checks
redsky14 checks
Hero bets $175.00
_PLZbustME calls $175.00
redsky14 folds

*** TURN *** [Q [img]/images/graemlins/diamond.gif[/img] 2 [img]/images/graemlins/spade.gif[/img] 6 [img]/images/graemlins/heart.gif[/img]] [5 [img]/images/graemlins/club.gif[/img]]

_PLZbustME checks
Hero bets $450.00
_PLZbustME calls $450.00

*** RIVER *** [Q [img]/images/graemlins/diamond.gif[/img] 2 [img]/images/graemlins/spade.gif[/img] 6 [img]/images/graemlins/heart.gif[/img] 5 [img]/images/graemlins/club.gif[/img]] [K [img]/images/graemlins/club.gif[/img]]

_PLZbustME checks
Hero?

_PLZbust me is boss reg. Most likely good tag one. No history between us. On flop and turn he insta called me both times. Should I give up on turn? Given that I did bet, should I shove this river?