CO vs BTN 3bp with KJo

Is this nitty to fold here or good? Pot sized bets on the river seem value heavy.

Hand History driven straight to this forum with DriveHUD 2 Poker Tracking Software

NL Holdem 0.1(BB)
HERO (100BBs) [VPIP: 21.1% | PFR: 18% | AGG: 38.7% | Flop Agg: 45.9% | Turn Agg: 38% | River Agg: 31.5% | 3Bet: 8.7% | Fold to 3Bet: 54.8% | 4Bet: 10.5% | Hands: 79121]
SB (201.3BBs) [VPIP: 37% | PFR: 3.7% | AGG: 35.7% | Hands: 27]
BB (110.2BBs) [VPIP: 33.3% | PFR: 29.6% | AGG: 30% | Hands: 27]
UTG (114.4BBs) [VPIP: 30.8% | PFR: 11.5% | AGG: 40% | Hands: 27]
HJ (67.4BBs) [VPIP: 29.6% | PFR: 18.5% | AGG: 46.2% | Hands: 27]
CO (103.9BBs) [VPIP: 40.7% | PFR: 25.9% | AGG: 26.7% | Flop Agg: 28.6% | Turn Agg: 25% | River Agg: 33.3% | 3Bet: 10% | 4Bet: 33.3% | Hands: 27]

Dealt to Hero: J♠ K♥

UTG Folds, HJ Folds, CO Raises To 2.5BBs, HERO Raises To 8BBs, SB Folds, BB Folds, CO Calls 5.5BBs

Hero SPR on Flop: [5.26 effective]
Flop (17.5BBs): 9♥ 5♥ K♣
CO Checks, HERO Bets 5.5BBs (Rem. Stack: 86.5BBs), CO Raises To 19BBs (Rem. Stack: 76.9BBs), HERO Calls 13.5BBs (Rem. Stack: 73BBs)

Turn (55.5BBs): 9♥ 5♥ K♣ 3♥
CO Checks, HERO Checks

River (55.5BBs): 9♥ 5♥ K♣ 3♥ 9♠
CO Bets 52.8BBs (Rem. Stack: 24.1BBs), HERO Folds