200nl 150bb deep vs river CRAI by fish

Less than 15 hands on villain, he's 68/0 during this time though. No specific reads yet.

PokerStars No-Limit Hold'em, $2.00 BB (5 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

saw flop

Hero (Button) ($307)
SB ($35.75)
BB ($200)
UTG ($291.95)
MP ($204)

Preflop: Hero is Button with A, K
UTG calls $2, 1 fold, Hero bets $10, 2 folds, UTG calls $8

Flop: ($23) 9, 2, 6 (2 players)
UTG checks, Hero bets $18, UTG calls $18

Turn: ($59) 5 (2 players)
UTG checks, Hero checks

River: ($59) K (2 players)
UTG checks, Hero bets $47, UTG raises to $263.95 (All-In), Hero ??

looks like a pretty easy fold

ok. what if he had like $120 behind on river and c/shoved it? Do you call the 80'ish?

probably not

River bet seems bigish.