Running the fresh water dry may leave enough water in the tank and lines to cause damage if it freezes.
I always add antifreeze to the tank, run some through all lines, hot and cold, and flush it in the spring.
Don,t forget to add some to the shower sump or that could freeze. I have a fresh water toilet so I flush it several times to insure the supply line is full of antifreeze as is the exit piping. I flush it several times to put some in the holding tank so any water remaining after pump out is protected and there is enough that I can run the macerator pump to protect it and the lines running to and from it.
Then run some through engine and generator.
Then run some through the sea water wash down pump.
And don,t forget to run some through the air conditioners.
I run enough through so that the water coming out the thru hull fittings is a nice dark pink. Used 18 gallons of the stuff this year but I am confident that all will be well in the spring.
Ranger has a printed winterization procedure. I left it in the boat with other papers so I do not have the link where I got it but Ranger should be able to get you a copy. Gives a step by step outline to follow.