From the following from the Community Update, I'm guessing that conquering the Urge might be possible, if not an easy path:
But whether you indulge your most depraved impulses or attempt to resist them in this role is entirely up to you. Because despite the darkness lurking within this character, how you choose to play the Dark Urge is for you to decide. In Baldur’s Gate 3, there is no clear-cut “Evil path” and no path that is plainly Good. There are simply choices, ramifications, and a personal evolution that will ensure who you play is as complex and multifaceted as you are.
I'm also planning to go into my first DU play (which won't be my first run) with the intention of resisting, but without being certain if it will work. That feels like half the fun of this character, and I expect to enjoy the ride. Though I'm very glad I also have the option of a custom Tav I have more control over!
