I cannot think of any CS that serve bone-in fried chicken.
For boneless fried chicken nuggets (they don't have strips anymore, just nuggets), you can find those at a number of CS. Among them are Columbia Harbor House (MK), Electric Umbrella (Epcot), Backlot Express (DHS) and Resturantosaurus (AK).
NOTE: The children's menu nuggets may or may not be the same as the regular menu nuggets. Some places may serve breast meat nuggets on the regular menu and formed processed nuggets on the children's menu.