As you can see only 12 hands on V but he definitely seems to be a weaker player.

CO: 216.83 BB (VPIP: 70.00, PFR: 10.00, 3Bet Preflop: 0.00, Hands: 12)
Hero (BTN): 100.65 BB

Pre Flop: (pot: 1.5 BB) Hero has Kh Ks
fold, CO calls 1 BB, Hero raises to 4 BB, fold, fold, CO calls 3 BB

Flop : (9.5 BB, 2 players) 2c 5h Td
CO checks, Hero bets 4.75 BB, CO calls 4.75 BB

Turn : (19 BB, 2 players) 3h
CO checks, Hero bets 12.66 BB, CO calls 12.66 BB

River : (44.32 BB, 2 players) Qs
CO checks, Hero bets 31.5 BB, CO raises to 103.04 BB, fold

Not really sure about my fold here. How would you play this hand?