You are free to do as you please, but it is recommended that you do the following:

You can use the mod to replace Briar set with the Dragon Bone set from Skyrim, and it can be applied to any character.

Download the mod, install it, and open the game.

You will need to select the character, and you will be able to choose between male and female. You can change their appearance by selecting one of the preset skins or use this one instead.