Table Coran 50 Max (Real Money)
Seat 1 is the button
Seat 1: Player1 ( ?57.10 EUR ) - VPIP: 19, PFR: 15, 3B: 7, AF: 3,4, Hands: 24984
Seat 2: Hero ( ?198.57 EUR ) - VPIP: 29, PFR: 24, 3B: 11, AF: 2,6, Hands: 13179
Seat 3: Player3 ( ?51.39 EUR ) - VPIP: 22, PFR: 15, 3B: 7, AF: 5,3, Hands: 408
Seat 4: Player4 ( ?223.54 EUR ) - VPIP: 89, PFR: 16, 3B: 14, AF: 1,8, Hands: 100
Seat 5: Player5 ( ?51.93 EUR ) - VPIP: 19, PFR: 17, 3B: 10, AF: 2,9, Hands: 333
Seat 6: Player6 ( ?52.74 EUR ) - VPIP: 22, PFR: 18, 3B: 10, AF: 1,8, Hands: 1429
Hero posts small blind [?0.25 EUR].
Player3 posts big blind [?0.50 EUR].
Dealt to Hero [ Kc Ah ]
Player4 calls [?0.50 EUR]
Player5 folds
Player6 folds
Player1 folds
Hero raises [?2.25 EUR]
Player3 folds
Player4 calls [?2.00 EUR]
* Dealing Flop * [ Kd, Ac, Td ]
Hero bets [?4.25 EUR]
Player4 calls [?4.25 EUR]
* Dealing Turn * [ 6c ]
Hero bets [?11.25 EUR]
Player4 raises [?22.50 EUR]
Hero raises [?56.75 EUR]
Player4 raises [?91.00 EUR]
Hero raises [?123.82 EUR]
Player4 calls [?78.32 EUR]
Hero shows [Kc, Ah ]
Player4 shows [Qc, Jc ]
* Dealing River * [ Js ]
Player4 wins ?394.64 EUR from main pot

I've seen villain doing these clickbacks on the flop with bottom pair and seen him stacking off with weak two pairs vs other regs. I think I have to 3bet the turn. What do I do after he clicks it back again? Call and hope for blank river to checkcall again? fold??? GII?