How good of you to take them in. Silkies are little loves. I have a black one that makes me put her on the roost at night. She waits by the door for me to pick her up give her a kiss and put her on the roost.
And what a way to enter the chicken-keeping community!
Most bantam breeds are adorable and great little house chickens, but they DO like the outside world once they get over their fear of All Things New & Different.