Line checks - sets

Party Poker
No Limit Holdem Ring game
Blinds: $0.25/$0.50
10 players
Converter

Stack sizes:
UTG: $56.55
UTG+1: $49.50
UTG+2: $25.65
MP1: $51.85
MP2: $19
MP3: $29.25
Hero: $50
Button: $49.25
SB: $53.75
BB: $47.25

Pre-flop: (10 players) Hero is CO with :5h :5c
2 folds, UTG+2 raises to $1, 3 folds, Hero calls $0.5, Button calls $1, SB folds, BB calls $0.5.

Flop: :2d :5d :as ($4.25, 4 players)
BB checks, UTG+2 bets $3, Hero raises to $6, 2 folds, UTG+2 raises all-in $21.65, Hero calls $18.65.

Turn: :kh ($47.55, 1 player + 1 all-in - Main pot: $47.55)


River: :3c ($47.55, 1 player + 1 all-in - Main pot: $47.55)


Results:
Final pot: $47.55
Hero shows 5h 5c
UTG+2 doesn't show Ad Ks


Party Poker
No Limit Holdem Ring game
Blinds: $0.25/$0.50
10 players
Converter

Stack sizes:
UTG: $34.50
UTG+1: $33.40
Hero: $71.90
MP1: $50
MP2: $52.75
MP3: $42.45
CO: $54.75
Button: $50.50
SB: $48.25
BB: $59.80

Pre-flop: (10 players) Hero is UTG+2 with :7s :7d
2 folds, Hero calls $0.5, MP1 calls $0.5, 2 folds, CO raises to $2, 2 folds, BB calls $1.5, Hero calls $1.5, MP1 calls $1.5.

Flop: :kc :2s :7c ($8.25, 4 players)
BB checks, Hero bets $4, MP1 calls $4, 2 folds.

Turn: :4d ($16.25, 2 players)
Hero bets $15, MP1 calls $15.

River: :6h ($46.25, 2 players)
Hero checks, MP1 checks. Am I losing value here? Worried about set over set...
Results:
Final pot: $46.25
Hero shows 7s 7d
MP1 doesn't show Ac Jc

I'll often flat call flops like these, even with others to act. The minraise is probably my usual move though.

On the second one, I'm betting less -- 2/3 the pot at most -- on the turn

i think you shouldnt be as worried about set over set when there is only 1 over card by the river.