Playing marginal hands in late position with multiple players posting

[lonn19]

Playing O8 1/2 on Party last night. Get dealt 9h 9c 4c 2h on the button. I see that in addition to the two blinds, three other people had to post either because they were new or had been sitting out. Besides them, one other player calls by the time it gets to me. I like my hand against random hands so I call after considering the pot odds and the fact Im on the button. The flop comes Q 9 2 rainbow. Couldn't have been much better. I actually made my set. The SB bets and everyone calls up to me. I raise and everyone calls my raise. No one reraised so i rule out anyone having trip queens. Turn is an ace, putting a second spade on the board. It gets checked to me. I bet and just two people call. River is Jc. Again it is checked to me, I bet and the two players both fold. I win without showing. Obviously they were on a draw. Well played or did I just luck out? Do you guys take into consideration players besides the SB and BB posting blinds when deciding to play a hand from late position?