I'm a big fan of a light film of grease on freehub bodies before sliding on the cassette. It has nothing to do with lubrication, since nothing should be moving there, but I ride in all conditions, and know that water likes to wick into small crevices and cause corrosion if bare metal is exposed there.
As for the rest, riding the type of hardware you do, you should know how to mount a tire and a wheel. Since your using the original cassette, no change to the chain, but the cassette position won't be identical so you'll need to fine tune limit screws and the trim accordingly.
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