PokerStars No-Limit Hold'em, $0.50 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

Hero ($51.40)
BB ($44.35)
UTG ($29.95)
MP ($40.30)
CO ($84.40)
Button ($51.85)

Preflop: Hero is SB with A, K.
1 fold, MP raises to $3.5, 2 folds, Hero ???

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Villian is 35/7/0.66 over 80 hands.

AK is a standard 3-bet for me PF in most situations, but the open raise by MP here is abnormally large (typical in these games in $1.5 to $2). In addition, the raise comes from EP, while I have the worst position possible.

What's your move here PF, and your plan on a A or K-high flop and blank flop if called?