I'm not convinced that asking for optimization advice in the Adventurers League forum is going to go well for you.
2. Dragonborn are getting pretty rare these days.
I know about a lot of your PCs....you would be a rarity at most stores.....I must be an incredible rarity at your store then - as I am playing a Forest Gnome Trickery Cleric/Transmuter
I've actually never seen any totem barb that didn't pick bear at level 3. It's usually the strongest option at that level, and hence the most popular.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.