I want to book a two-bedroom for my daughter and her family for five nights (Oct. 12-16) at Boardwalk. She'll depart on the 17th. Does that mean I can book this on March 12 or do I have to wait until March 17? I think that is Food & Wine Festival time, so I'm hoping I can find her a two-bedroom. Also, she would like to get the Disney Dining Plan. Do I purchase that at the time of booking? Thanks for any information on this!! Jaylie