Villain is pretty straight up player, 16/10 ~50 hands. How bad is this?

PokerStars No-Limit Hold'em, $0.50 BB (5 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

BB ($49.25)
UTG ($47.75)
Hero ($60.75)
Button ($43.50)
SB ($13.75)

Preflop: Hero is MP with A, K.
UTG raises to $2, Hero calls $2, 2 folds, BB calls $1.50.

Flop: ($6.25) 8, J, 7 (3 players)
BB checks, UTG bets $3, Hero calls $3, BB folds.

Turn: ($12.25) Q (2 players)
UTG bets $8, Hero raises to $55.75

I thought 16/10 was tight enough I didn't have to raise pre-flop
That's me floating the flop