Villain is 18/11/1.8 with a 3bet% of 6 after ~200 hands. Do you guys call the 3bet OOP pre or 4bet? Also, what the f do you make of his flat pre?? I think this is QQ-AA 99% of the time but I just want to make sure.

PokerStars No-Limit Hold'em, $1.00 BB (6 handed) Poker-Stars Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

MP ($98.50)
CO ($98.50)
Button ($90.30)
Hero ($206.25)
BB ($156.90)
UTG ($159.20)

Preflop: Hero is SB with J, J.
4 folds, Hero raises to $3, BB raises to $9, Hero raises to $23, BB calls $14.

Flop: ($46) 8, 2, 4 (2 players)
Hero bets $28, BB raises to $57