Where in Dallas are you? I'll loan you my harbor freight one...
Here's an example of the hose. It doesn't matter if disc or drum, it's just passing fluid from the hard line on the frame to the hard lines on the rear differential.
https://www.classicparts.com/1967-70...ctinfo/71-361/
Here's another...
https://www.rockauto.com/en/moreinfo...t=1792&jsn=937
And another
https://www.oreillyauto.com/detail/c...ckup-rwd?pos=1