The recipe seems pretty solid.
Personally I would use at least 2oz of dry hop with Cascades to really make the hop aroma pop. Cascades are citrusy hops so they should go well with orange zest.
If that is fresh orange zest that's fine but if that is dried orange peel, 1oz is WAY too much. Dried orange peel is super potent. I use 1/3 oz in my wheat and it's plenty citrusy.
If you zest your own orange peel try not to get the white part, only the outer 1/16" of orange outer peel. The white part is super bitter.
Next up: Amber Ale
Primary 1&2: 90 Min IPA clone
Primary 3&4: Belgian Wit
Keg #1: White Mosaic Pale Ale
Keg #2: Empty
Drinking: Amber Ale, White Mosaic Pale Ale