Set up Piohole as an App and not working

[bkw]

Set up Piohole as my second App (Got Plex working).

If I set my DNS server on a workstation to the Truenas IP, I lose internet and Pihole doesn't show any queries in the dashboard.

I am assuming that it would need a dedicated IP address for the Pihole container... or something else configured so truenas would know to send DNS requests to the Pihole port.

Any assistance would be appreciated as I am new to Truenas.