[5NL] AKo...3bet pot river decision

[Cobra_1878]

Villain is 23/15/5 over 120 hands. FT3B 50%, 4/8.

PokerStars - $0.05 NL (6 max) - Holdem - 6 players
Hand converted by PokerTracker 4

Hero (SB): $5.00
BB: $5.07
UTG: $9.86
MP: $6.40
CO: $11.52
BTN: $5.99

Hero posts SB $0.02, BB posts BB $0.05

Pre Flop: (pot: $0.07) Hero has K A

fold, MP raises to $0.15, fold, fold, Hero raises to $0.52, fold, MP calls $0.37

Flop: ($1.09, 2 players) J 7 2
Hero bets $0.65, MP calls $0.65

Turn: ($2.39, 2 players) Q
Hero checks, MP checks

River: ($2.39, 2 players) A
Hero checks, MP bets $1.55, Hero ???

Thoughts on betting/stacking off on turn? Not sure I like it but felt it was close between bet or check.