Villain just sat down, no reads at all.

PokerStars No-Limit Hold'em, $0.50 BB (9 handed) FTR converter on zerodivide.cx

Hero ($49.80)
BB ($51.30)
UTG ($58)
UTG+1 ($38.65)
MP1 ($32.35)
MP2 ($45.45)
MP3 ($12.90)
CO ($21.65)
Button ($49.75)

Preflop: Hero is SB with Q, A. MP1 posts a blind of $0.75.
1 fold, UTG+1 calls $0.50, MP1 (poster) raises to $1.5, 3 folds, Button calls $1.50, Hero calls $1.25, 1 fold, UTG+1 calls $1.

Flop: ($6.75) Q, 3, T (4 players)
Hero bets $6, UTG+1 folds, MP1 raises to $30.6, Button folds, Hero ??