I am so existed one of my Golden sex link hens might be broody!!!

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I would go ahead and add the eggs. Remove the fake eggs so that all the eggs she is sitting on are real. I would limit the number of eggs under her from about 10 to 12. She needs to be able to cover all the eggs with her body. I would leave her where she is until the eggs hatch, then I would move her and her chicks into their own separate enclosure for the protection of the chicks while she raises them. If you can put them in an enclosure where your other chickens can see them, it will help your flock get use to them while she is raising them.How long should I wait until I add more eggs? She had 3 real and fertile eggs and 3 fake. I have about 22 saved up because a woman wants about 20 chicks and sometimes there are deaths. I was planning on hooking up the incubator.
How many eggs should I put under her?
Should I move her?
I have added chicks before to the flock at about 2 1/2 months old and the hens did very little harm to them. I hatched them out if an incubator and the hens could see them all their life.
Should I let her raise them with the others?