[Closed] NL4 KK on A high board

Cake - $0.04 NL - Holdem - 8 players
Hand converted by PokerTracker 3

UTG+1: $9.07
MP: $1.20
MP+1: $2.12
CO: $1.14
BTN: $1.14
SB: $3.47
Hero (CO): $5.24
UTG: $0.68

SB posts SB $0.02, Hero posts BB $0.04, MP posts DB $0.04

Pre Flop: (pot: $0.10) Hero has K♠ K♣

fold, UTG+1 raises to $0.18, fold, fold, fold, fold, fold, Hero raises to $0.60, UTG+1 calls $0.42

Flop: ($1.26, 2 players) A♥ 2♥ 6♣
Hero bets $0.84, UTG+1 calls $0.84

Turn: ($2.94, 2 players) 5♥
Hero checks, UTG+1 checks

River: ($2.94, 2 players) 7♠
Hero bets $1.00, UTG+1 calls $1.00

Hero shows K♠ K♣ (One Pair, Kings)
UTG+1 shows K♦ A♦ (One Pair, Aces)
UTG+1 wins $4.62

Should I check/fold on river or this 1/3 pot blocking bet makes sense?