My buddy had one leaking bad a couple years ago, and needed to drive home on a army emergency leave. His was leaking enough that the fluid was clean from fresh being added often. A guy told him to try some Lucus Transmission stuff in it. His was low enough that he added 1/2 quart. Drove it 1 day, then added a little more, then drove home. He still has not replaced the rack, and it does not leak now. I drove the car this Spring, and like how it steers, since it is not so twitchy at speed. May be a little rough at first if it was in the Winter, but in your case, give it a shot.
That stuff is THICK, but mixed with PS fluid, and warmed up will be fine.