HU. After 38 hands villain is 44.74/15.79. Flop is a monster draw. Standard?

PokerStars No-Limit Hold'em, $0.10 BB (2 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

Hero ($16.55)
BB ($17.55)

Preflop: Hero is Button with A, 8.
Hero raises to $0.3, BB raises to $0.5, Hero calls $0.20.

Flop: ($1) 7, 6, 5 (2 players)
BB bets $1, Hero raises to $3, BB raises to $17.05, Hero calls $13.05 (All-In).