No reads on villain other than he is somewhat laggish 24/18 and pretty aggressive. Without a read that villain leads with sets, I'm compelled to call this right?

Party Poker No-Limit Hold'em, $ BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

UTG ($198.65)
MP ($98)
Hero ($199.70)
Button ($233.96)
SB ($176.18)
BB ($227.80)

Preflop: Hero is CO with A, A. SB posts a blind of $1.
2 folds, Hero raises to $7, 2 folds, BB calls $5.

Flop: ($15) 3, 4, 2 (2 players)
BB bets $15, Hero raises to $50, BB raises $205.80 (All-In), Hero ????