Animal Companion Help

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Hello,
I just got Savage Worlds and the authoring kit.

Im creating a campaign for Norse Demi-Gods (halfbloods) in a modern day setting.
My party will have scions of Hermod, Heimdall, Loki, and Hel.

So my 1st road block has been with Hel - my player wants Garm, guardian dog of her realm (Helhound) .
Id like to use the dire wolf template. So I tried to add this as an ally, but the ally can only be from the
player races list. So i tried the sidekick edge, but this option did not bring up a 2nd character tab.

Do I need to make the dire wolf a race or is there a better way?