visit to Tokyo, Disneyland

I would like to visit the said place with my wife & my son who is Four & a half years old. Pls suggest us the time of our visit as per your availability of 1 BR as per timeshare - on RCI points purchase? How many RCI points are required for 2 days - 3 nights or 3 days - 4 nights? How far is your resort/hotel from Tokyo, disneyland?