PokerStars 0.25/0.50 Hold'em (9 handed)

Preflop: Hero is UTG with 3, K.
Hero calls, UTG+1 folds, [color:CC3333]MP1 raises[/color], MP2 calls, MP3 folds, CO calls, Button folds, SB folds, BB folds, Hero calls.

Flop: (9.40 SB) 2, 4, 5 [color:blue](4 players)[/color]
[color:CC3333]Hero bets[/color], MP1 calls, MP2 folds, CO calls.

Turn: (6.20 BB) 8 [color:blue](3 players)[/color]
[color:CC3333]Hero bets[/color], MP1 folds, CO calls.

River: (8.20 BB) 7 [color:blue](2 players)[/color]
[color:CC3333]Hero bets[/color], CO calls.

Final Pot: 10.20 BB
[color:green]Main Pot: 10.20 BB, between Hero and CO.[/color] > [color:white]Pot won by CO (10.20 BB).[/color]

Results in white below: [color:white]
Hero has 3s Ks (high card, king).
CO has 8s As (one pair, eights).
Outcome: CO wins 10.20 BB. [/color]

I probably shouldnt have played this from the get go, but after I saw the flop did I do correct play?

PokerStars 0.25/0.50 Hold'em (9 handed)

Preflop: Hero is MP3 with A, A.
UTG folds, UTG+1 folds, MP1 folds, MP2 calls, [color:CC3333]Hero raises[/color], CO folds, Button calls, SB folds, BB calls, MP2 calls.

Flop: (8.40 SB) 8, 9, 3 [color:blue](4 players)[/color]
BB checks, MP2 checks, [color:CC3333]Hero bets[/color], Button calls, BB calls, MP2 calls.

Turn: (6.20 BB) J [color:blue](4 players)[/color]
BB checks, MP2 checks, [color:CC3333]Hero bets[/color], Button calls, BB calls, MP2 calls.

River: (10.20 BB) 6 [color:blue](4 players)[/color]
[color:CC3333]BB bets[/color], [color:CC3333]MP2 raises[/color], Hero folds, Button folds, BB calls.

Final Pot: 14.20 BB
[color:green]Main Pot: 14.20 BB, between BB and MP2.[/color] > [color:white]Pot won by MP2 (14.20 BB).[/color]

Results in white below: [color:white]
BB has 6d 6h (three of a kind, sixes).
MP2 has Qs 5s (flush, queen high).
Outcome: MP2 wins 14.20 BB. [/color]

I had them both until the river. But once i saw the re-raise i knew it had to be a flush.

PokerStars 0.25/0.50 Hold'em (7 handed)

Preflop: Hero is MP1 with K, K.
UTG calls, [color:CC3333]Hero raises[/color], MP2 folds, CO folds, Button folds, SB folds, BB calls, UTG calls.

Flop: (6.40 SB) T, T, 8 [color:blue](3 players)[/color]
BB checks, [color:CC3333]UTG bets[/color], [color:CC3333]Hero raises[/color], BB folds, [color:CC3333]UTG 3-bets[/color], Hero calls.

Turn: (6.20 BB) A [color:blue](2 players)[/color]
[color:CC3333]UTG bets[/color], Hero calls.

River: (8.20 BB) K [color:blue](2 players)[/color]
[color:CC3333]UTG bets[/color], [color:CC3333]Hero raises[/color], [color:CC3333]UTG 3-bets[/color], [color:CC3333]Hero caps[/color], UTG calls.

Final Pot: 16.20 BB
[color:green]Main Pot: 16.20 BB, between Hero and UTG.[/color] > [color:white]Pot won by Hero (16.20 BB).[/color]

Results in white below: [color:white]
UTG has 8s 8d (full house, eights full of tens).
Hero has Kd Kh (full house, kings full of tens).
Outcome: Hero wins 16.20 BB. [/color]

I figured he had the 10 so i cold called and got lucky as hell on the river