Hero (BTN): $100 (100 bb)SB: $272.01 (272 bb)BB: $116.04 (116 bb)CO: $94.88 (94.9 bb)

Preflop: Hero is BTN with Ks Ac

CO folds, Hero raises to $2, SB folds, BB calls $1

Flop: ($4.50) As 4c 4d (2 players)BB bets $1, Hero raises to $5, BB raises to $9, Hero calls $4

Turn: ($22.50) 8c (2 players)BB bets $16.87, Hero ??

Villain is some bad player playing 50/30 and is min 3betting a bunch. This is the first time he took this line. I feel like its either we fold now or call down. Which do you chose?