Eff Stacks £1,000 - 5 handed

Literally first hand of session. We have "history" with villain who seems to be a serious rec player. Last time played together he 3bet then doubled barreld bluff and showed after i fold turn, was a relatively small pot.

Preflop (£7): Hero is SB K♣9♥
BTN £15, Hero £50, BTN call
3bet here is to start setting a dynamic and people usually open super wide vs hand on the btn especialy 5 handed.

Flop (£105): 9♦3♠5♥
Hero £55, BTN call

Turn (£215): 3♦
Hero check, BTN £175, Hero call

River (£565): K♠
Hero check, BTN £500, Hero?