[country_hick]

Operation, Diagnosis and Repair of HYDRO-BOOST

Hydroboost Troubleshooting

http://my.cardone.com/techdocs/PT 52-0001.pdf

Hydroboost Brake Assist Booster and Function

Hydro Boost Repair Kit Instructions

Once you have read enough about the hydroboost you can read these.

http://www.cumminsforum.com/forum/94-98-non-powertrain/568969-puking-power-steering-fluid.html

http://www.cumminsforum.com/forum/94-98-non-powertrain/121863-power-steering-pump-puking-fluid.html

Dodge Ram power steering pump - DoItYourself.com Community Forums

Hopefully now you have a better idea.