PokerStars No-Limit Hold'em, $0.05 BB (9 handed) Poker-Stars Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

MP1 ($9.20)
MP2 ($10.56)
MP3 ($5.70)
CO ($5.42)
Hero ($4.93)
SB ($7.80)
BB ($4.98)
UTG ($4.16)
UTG+1 ($3.72)

Preflop: Hero is Button with A, Q.
2 folds, MP1 raises to $0.15, MP2 calls $0.15, 2 folds, Hero raises to $0.55, 2 folds, MP1 calls $0.40, MP2 folds.

Flop: ($1.32) 3, J, 8 (2 players)
MP1 bets $0.65, Hero ???

No reads on villain.
His bet size confuses me a bit. It is telling me, "I sorta wanna build a big pot but not really."
Is villain more likely strong or weak?