Hi,
There is no course specfic to RDS unfortunatley.
On MVA there are many free videos/guides on setting up RDS:
https://mva.microsoft.com/search/SearchResults.aspx#!q=remote%20desktop%20services&lang=1033
Or from the community:
https://robertsmit.wordpress.com/2015/06/23/step-by-step-server-2016-remote-desktop-services-quickstart-deployment-rds-vdi-rdp-remoteapp/
https://nedimmehic.org/2017/01/21/deploying-remote-desktop-services-2016-step-by-step/
Danny (MVP on RDS)