Avoiding sets

Combined two hands as I think i had the same issue in both

Hand 1
Poker Stars, $0.01/$0.02 No Limit Hold'em Cash, 6 Players
Poker Tools Powered By Holdem Manager - The Ultimate Poker Software Suite.

SB: $3.92 (196 bb)
Hero (BB): $2 (100 bb)
UTG: $2.01 (100.5 bb)
MP: $1 (50 bb)
CO: $5.67 (283.5 bb)
BTN: $3.45 (172.5 bb)

Preflop: Hero is BB with K♠: K♦:
UTG folds, MP calls $0.02, 2 folds, SB completes, Hero raises to $0.08, MP calls $0.06, SB calls $0.06

Flop: ($0.24) J♣: 5♦: 9♠: (3 players)
SB checks, Hero bets $0.14, MP raises to $0.28, SB folds, Hero calls $0.14

Turn: ($0.80) 2♠: (2 players)
Hero checks, MP bets $0.20, Hero calls $0.20

River: ($1.20) 3♠: (2 players)
Hero checks, MP bets $0.02, Hero calls $0.02

Results:

------------------------------------------------------------------------------------------
Hand 2
Poker Stars, $0.01/$0.02 No Limit Hold'em Cash, 6 Players
Poker Tools Powered By Holdem Manager - The Ultimate Poker Software Suite.

SB: $2.75 (137.5 bb)
Hero (BB): $3.74 (187 bb)
UTG: $2 (100 bb)
MP: $2.01 (100.5 bb)
CO: $2.24 (112 bb)
BTN: $2.29 (114.5 bb)

Preflop: Hero is BB with K♦: A♣:
2 folds, CO raises to $0.07, BTN calls $0.07, SB folds, Hero calls $0.05

Flop: ($0.22) 9♥: 3♥: A♠: (3 players)
Hero checks, CO checks, BTN bets $0.16, Hero calls $0.16, CO folds

Turn: ($0.54) 3♦: (2 players)
Hero checks, BTN bets $0.26, Hero calls $0.26

River: ($1.06) Q♠: (2 players)
Hero checks, BTN bets $1.80 and is all-in, Hero calls $1.80

Results:

---------------------------------------------------------------------------------------------------------------------------
Both times i felt that i was calling for value happy to let them keep the agression because i had the best hand. The river call on the 2nd hand was probably a bit loose, on review I didn't think the bet was such an overbet.

Am i just set blind?