https://www.amazon.com/Valvoline-602241-Amber-Automotive-Accessories/dp/B0049J0F9O

Amazon link, but you can find this at any parts store. It meets Chrysler's specification, can be had in gallon jugs if you so please, and is readily available. I have been using it in my steering system for close to 9 years now without issue (obviously, with scheduled fluid change intervals).