There are several options for accommodations near Ghost Ranch:
You can reserve very economical rooms at Ghost Ranch; these accommodations are similar to "hostels" and are basic, often with shared bathrooms and rooms. Go to https://www.ghostranch.org/plan-your-visit/your-stay/stay-overnight/ to make your reservation and say that you are attending "Art Therapy Without Borders" Event.
The Abiquiu Inn has a variety of rooms and accommodations with a restaurant on site. Go to https://www.abiquiuinn.com/cafe-abiquiu to learn more.
AirBnB is another option; make your reservations early for best selection in nearby Abiquiu and surrounding areas.