how would u play both positions

[wyattjames4]

i posted this in small stakes no limit and didnt get many answers, so ill repost it here

i was the button in this NL Home game, but give me your thoughts on the person one of the button too.

im dealt A7 of diamonds on the button. M1 calls .50 CO calls .50 I call .50 SB completes the bet and BB checks. 5 players
Flop is Kd, 7c, 3s. all 4 players check, then i raise it to 2 dollars. 3 callers, and then CO calls 2 and raises 5 more. I fold SB calls, BB calls, M1 folds 3 players
Turn is a blank card that I cant remember, but it goes check, check, bet 10 by CO and fold fold. CO ended up having pocket 3s.

I think I played it correctly from the button, but id like some criticism. Also do you think the CO shoulda reraised it on the flop or called to keep other players in?