Awe shit another crap power steering pump. On my third, with fourth waiting to go in. Those pumps are aluminum and they tear up, sending aluminum shavings through the system. Resulting in the Hydro Boost failure. Very good mechanic here told me to install a 20 micron filter to the return line. Screw on type like oil filter, but hydraulic.
The ATF-4 used in the power steering eats the seals up. Stated to flush the system thoroughly with Power Steering Fluid and use power steering fluid. He has done many Dodge 3500 and none have come back. Usually, they are welding rigs like mine, prone to high power steering failure. That pump ain't no bigger than a coffee cup.
RKI is online. Many others to choose from. But RKI is used by heavy industry.