I might jump off the Brooklyn Bridge if I had to do that for every print.
The proofing part aside. (Which is all good info and the reason you posted.)
Once you have completed your proofing ,the printing process in Lightroom is as simple as
Select your preset template.
1. Press the "Print One" button
Wayne Fox has an excellent Blog article on this subject,well worth the read.
Thanks for the effort typing this out, a great reminder of how I used to do this.