I basically agree with everything LRH97 above.
I have 5 silkies, and I love each and every one of them! Give them a lot of socialization, and they'll be all over you! I have 4 hens and one roo. The hens are great and took my BR in when I introduced it as a chick. Some of my friends have silkies and I see them try and hatch tennis balls sometimes XD. They're a really good breed of chicken for pets or to hatch eggs and take care of chicks!
And yeah, Silkies can't fly/jump very well. My silkies jump up on my bottom corral board at my stalls to roost, which is about a foot of the ground. So, you can put a tiny something in there if you want, but the most I see mine jump is 1.5' and that's it. My silkies sleep on the ground in a corner of the coop, under the ramp.
My rooster is very sweet. It's a little hard to catch him, but once I start holding him he just calms down and sits in my lap until I eventually have to put him down myself. Like my other roo, he's started mating, but only with other silkies, he won't even take a second glance at the other chickens. XD