If I want to book room-only on expedia.com I do the following:
1. Go to expedia.com
2. Select Hotels in the top menu
3. Enter Davy Crockett in the search bar and select "Disney's Davy Crockett Ranch, Bailly-Romainvilliers, France"
4. Select dates and persons (let's say Feb 1st, 2019 - Feb 4th, 2019, 2 adults, 1 kid (age 10)
5. Click "search"
6. Options are: $ 183 per night without tickets, $330 with tickets.
Don't know how else to explain