If I'm not mistaken 9R22.5 is the tallest and skinniest of those choices and tall and skinny looks good on these trucks. They fit a 6" or 6.75" wheel, the narrower wheel helps with the tall skinny look, also keeps tighter turning radius before tires scrub back side of springs.

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-