A bad pump or loss of all fluid pressure due to a leak. As you have a serpentine belt, if that had come off you would have seen several other indicators (like battery/charging system light)
And hopefully for you it wasn't the rack that failed. That'll set you back $1,500 clams
Low fluid,Bad pump, stuck valves in the rack, internal steering rack damage, other suspension component failures.
Looking for a Used Town & Country in your area?
CarGurus has 424 nationwide Town & Country listings starting at $4,995.
Search Chrysler Town & Country Questions
Chrysler Town & Country Experts
Related Models For Sale
Used Cars for Sale