I have created a new Work Item Type for testing for an upcoming project.
It's called Use Case and I have added it in the following location:
Org Settings>Processes>My Processes>Work Item Types
It's been designed with custom fields, etc. and when I go to Project 5>Boards>Work Items and click the "+ New Work Item" toolbar button, I see it as an option.
I can select it and complete the work item template without issue.
It then shows in my list of Work Items. 
When I click on the Boards>Boards view, I don't see it anywhere.
When I click New Item - it creates a new Issue.
When I click the Issues toolbar button, I see Epic and Issues only. 
How do I get my new WIT called Use Case to show on the board as a trackable, moveable work item.
I'm sure there's a set up / configuration setting I'm overlooking, but I can't seem to locate it.
Appreciate your help. We plan on adding a second custom WIT as well, but I can't add it until I understand this first one and get it operating as expected.
Thanks in advance.
JH