Just sat down, no reads on opp. Is this weak/tight?

Full Tilt Poker
No Limit Holdem Ring game
Blinds: $0.10/$0.25
7 players
Converter

Stack sizes:
UTG: $27.90
UTG+1: $22.15
MP1: $25
CO: $4.85
Button: $21.50
Hero: $25.35
BB: $10.80

Pre-flop: (7 players) Hero is SB with A A
2 folds, MP1 (poster) checks, 2 folds, Hero raises to $1, BB folds, MP1 calls.

Flop: Q K 2 ($2.25, 2 players)
Hero bets $2, MP1 raises to $6.5, Hero calls.

Turn: 8 ($15.25, 2 players)
Hero checks, MP1 bets $7.5, Hero folds.