PS 5.50 - QQ facing a CR on the turn

[Thriller]

PokerStars No-Limit Hold'em Tourney, Big Blind is t20 (9 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

SB (t1550)
BB (t1680)
UTG (t1470)
UTG+1 (t1260)
MP1 (t1600)
Hero (t1500)
MP3 (t1440)
CO (t1560)
Button (t1440)

Preflop: Hero is MP2 with Q[img]/images/graemlins/heart.gif[/img], Q[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">1 fold</font>, UTG+1 calls t20, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to t80</font>, MP3 calls t80, <font color="#666666">2 folds</font>, SB calls t70, <font color="#666666">1 fold</font>, UTG+1 calls t60.

Flop: (t340) 3[img]/images/graemlins/diamond.gif[/img], 7[img]/images/graemlins/club.gif[/img], 8[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(4 players)</font>
SB checks, UTG+1 checks, <font color="#CC3333">Hero bets t170</font>, MP3 folds, SB calls t170, UTG+1 calls t170.

Turn: (t850) 7[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, UTG+1 checks, <font color="#CC3333">Hero bets t400</font>, <font color="#CC3333">SB raises to t800</font>, UTG+1 folds, Hero ???

No reads as it is very early. Is this a standard fold? If not, why are you calling/raising? How do you read this CR?

[RRizGod]

ship it and fire up the next SNG.

Bet more on the flop.

[KoreanBuffet]

PF is fine, flop bet at least 240, mostly pot it, shove it in on the turn b/c its a 5.50.