Weak push with KK?

This sucked. In retrospect probably shouldve pushed all in on the Flop?

Please help!!

saw flop | saw showdown

Button doublereggae ($1.97)
SB 1Yek ($2.52)
BB satho38 ($7.35)
UTG Ultimopedo ($2.50)
UTG+1 Smulpaapje ($2.28)
MP Marbleboy ($3.74)
MP notn ($4.59)
CO-1 eve1985 ($5.88)
CO CrazyNex ($1.00)

Preflop: , 1 fold, Marbleboy raises to 0.12, 1 fold, eve1985 calls 0.12, 1 fold, doublereggae calls 0.12, 1 fold, satho38 calls 0.08.

Flop (0.50) K 6 7
satho38 checks, Marbleboy checks, eve1985 checks, doublereggae checks.

Turn (0.50) 7
satho38 bets 0.04, Marbleboy raises to 0.16, 2 folds, satho38 calls 0.12.

River (0.82) 4
satho38 bets 0.52, Marbleboy moves all-in for 3.46, satho38 calls 2.94

Marbleboy shows K K
satho38 shows 7 7

satho38 wins 7.74 with Four of a kind, Seven's


But then against same Villian......

But was the right play???????
saw flop | saw showdown

Button satho38 ($6.29)
SB Fettfant ($1.96)
BB gezmyster ($5.65)
UTG Marbleboy ($9.73)
UTG+1 HenkHoldem ($4.96)
MP ken74 ($5.85)
MP ViewMyNuts ($1.00)
MP dawalker ($1.44)
CO-1 FuchkA ($6.59)
CO jeroz1 ($1.59)

Preflop: , Marbleboy raises to 0.20, 6 folds, satho38 calls 0.20, 2 folds.

Flop (0.46) 8 5 A
Marbleboy bets 0.64, satho38 calls 0.64.

Turn (1.74) 2
Marbleboy bets 1.00, satho38 calls 1.00.

River (3.74) 9
Marbleboy bets 1.08, satho38 calls 1.08

Marbleboy shows A K
satho38 shows J J

Marbleboy wins 5.90 with One pair, Ace

In the first hand I bet the turn harder planning to stack 7x and the occasional retard with Kx.

In the second hand, I wouldn't overbet the pot on the flop. Also, bet more on the river.

You need to work on your bet sizing. (very important)

Use a converter. You don't even have suits on the cards.