Help! Rescued mallard drake, need female duck

[ZoeFlower]

Please give advice. We have a full house with 10 hens and 2 roosters and dogs and cat, kids.
Reacued a sweet mallard drake yesterday from an overcrowded coop with chickens and ducks that were attacking him. Brought him to a safe 8x8 enclosure in our yard (surrounded by our free range flock.
Anyone know where I can get a female duck or two? This guy has been raised in captivity. Should I rehab him and try to release him at a local-ish pond? Should I keep him with my chickens (and 2 Roos???) I’m trying to rehome a rooster and I’m a bit overwhelmed by this. I do want to help the sweet guy!

 

[SolarDuck]

If it is a domestic mallard you cannot rehab and release. If you need some ducks to be friends with him I'd check Craigslist

 

[Stoney Meadow Maple]

I would avoid females, get him a drake friend preferably his own size, maybe a runner even

 

[Stoney Meadow Maple]

X2 on Craigslist, all over the place, drakes especially.

 

[Miss Lydia]

Please adopt they really need a loving home.
Bless you for rescuing this little Mallard.
@ZoeFlower what state are you in? There are some waterfowl rescues in the US you maybe close to one.