$2 NLHE Full Ring: Calling too much OTF

[CheeringRoger]

poker stars $0.01/$0.02 No Limit Hold'em - 9 players - View hand 2867463
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SB: $3.81
BB: $0.83
UTG: $3.36
UTG+1: $2.48
UTG+2: $2.03
MP1: $5.16
MP2: $4.22
CO: $0.53
Hero (BTN): $2.13

Pre Flop: ($0.03) Hero is BTN with A :club: Q :spade:
5 folds, CO calls $0.02, Hero raises to $0.08, SB calls $0.07, 1 fold, CO calls $0.06

Flop: ($0.26) 7 :diamond: 6 :club: 3 :heart: (3 players)
SB checks, CO bets $0.12, Hero calls $0.12, SB calls $0.12

Turn: ($0.62) 6 :spade: (3 players)
SB checks, CO bets $0.33 all in, Hero folds, SB calls $0.33

River: ($1.28) 9 :spade: (2 players - 1 is all in)


So I'm trying to find leaks in my game and one of those leaks is (I think) that I call too much OTF when I miss. On the flip side I don't want to be completely predictable that whenever I miss the flop I lose interest in the hand. In this scenario I get sort of donked into but looking back at it I don't know what is best to do in these typical scenarios

I don't have good sample on villain. He was in 28hands 37/7.4