Two AK hands at 25NL

Villain is a pretty decent player, typical TAG stats(I don't have them with me). From what I've seen, he plays his strong hands fast.

PokerStars No-Limit Hold'em, $0.25 BB (9 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver Cards)

MP2 ($24.40)
MP3 ($58.90)
CO ($89.55)
Button ($22.95)
SB ($1.25)
BB ($6.90)
UTG ($27.05)
UTG+1 ($24.75)
Hero ($27.70)

Preflop: Hero is MP1 with http://www.flopturnriver.com/phpBB2/.../smiles/kh.gif, http://www.flopturnriver.com/phpBB2/.../smiles/as.gif.
2 folds, Hero raises to $1, MP2 raises to $2, 5 folds, Hero calls $1.

Flop: ($4.35) http://www.flopturnriver.com/phpBB2/.../smiles/6s.gif, http://www.flopturnriver.com/phpBB2/.../smiles/8s.gif, http://www.flopturnriver.com/phpBB2/.../smiles/ac.gif (2 players)
Hero bets $3, MP2 raises to $9, Hero??

The very next hand at the same table. Villain has only been sitting at the table for a couple of hands.

PokerStars No-Limit Hold'em, $0.25 BB (8 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver Cards)

UTG ($23.35)
UTG+1 ($59.85)
MP1 ($89.55)
MP2 ($22.95)
CO ($6.55)
Button ($26.05)
SB ($24.50)
Hero ($28.10)

Preflop: Hero is BB with http://www.flopturnriver.com/phpBB2/.../smiles/kc.gif, http://www.flopturnriver.com/phpBB2/.../smiles/as.gif.
UTG calls $0.25, 2 folds, MP2 raises to $1, 3 folds, Hero raises to $3.25, UTG folds, MP2 raises to $8, Hero??