Betting the River for value with AK

Posted 7 years, 9 months ago

Blinds: $0.01/$0.02 (5 Players) CO: $2.97
BN: $2.39 (Hero)
SB: $0.98
BB: $6.22
UTG: $2.00

Preflop ($0.03) Hero is BN with K A

UTG folds, CO raises to $0.06, Hero raises to $0.18, 2 folds, CO calls $0.12

Flop ($0.39) 4 K A

CO checks, Hero bets $0.26, CO calls $0.26

Turn ($0.91) 4 K A 7

CO checks, Hero bets $0.60, CO calls $0.60

River ($2.11) 4 K A 7 4

CO checks

What's your plan for the river here?

Checking seems too weak, but what worse hands will call?