50NL 6m QQ blind v. blind PF

PokerStars No-Limit Hold'em, $0.50 BB (5 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

MP ($16.65)
Button ($18.10)
Hero ($49.50)
BB ($37.70)
UTG ($33.45)

Preflop: Hero is SB with Qhttp://www.flopturnriver.com/phpBB2/...iles/heart.gif, Qhttp://www.flopturnriver.com/phpBB2/...miles/club.gif.
3 folds, Hero raises to $2, BB raises to $3.5, Hero ???

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Villian is an unknown.

4-bet or call here? If you just call, do you get it AI on a flop of all unders?

What's your table image (have you been stealing blinds a lot)?

I 4-bet here, consider a fold if he goes over the top. Play it aggressively postflop if it gets there.

reraise because his raise size was stupid

$9?