10NL QQ overpair, help

[wudabum]

unknown villain
against an unknown, do we always fold or do we push?
what kind of reads do we need to decide our course of action? thanks



Full Tilt Poker - No Limit Hold'em Cash Game - $0.05/$0.10 Blinds - 5 Players - (LegoPoker Hand History Converter)

SB: $17.75
BB: $10.95
UTG: $17.00
CO: $10.10
Hero (BTN): $9.45

Preflop: Hero is dealt Q[img]/images/graemlins/club.gif[/img] Q[img]/images/graemlins/diamond.gif[/img] (5 Players)
UTG folds, CO raises to $0.35, Hero raises to $1.25, 2 folds, CO calls $0.90

Flop: ($2.65) J[img]/images/graemlins/diamond.gif[/img] 4[img]/images/graemlins/spade.gif[/img] 6[img]/images/graemlins/club.gif[/img] (2 Players)
CO bets $1.80, Hero calls $1.80

Turn: ($6.25) 3[img]/images/graemlins/club.gif[/img] (2 Players)
CO bets $6.25, Hero ???