Broke mine a year ago, same place as 2hottie’s injury, and still getting a bit of pain if I overuse it. Was out on an all-day ride last week & it was stiff next day, been building today & it’s aching a bit, but nothing like it was even 3 months ago.
I heard mixed opinions about using a wrist brace when riding, but my own experience was that it was beneficial, reduced the movement in the joint when mtbing and allowed me to keep control over roots and rocks without getting my wrist jarred. That was 2 or 3 months after getting the cast off though, wouldn’t have even contemplated it any earlier.
Hope yours heals well & quick.