I forgot to follow-up with this. Same situation in my A-D site just happened so went back to find this thread. The above give the records that are similar to current situation.
To create the “adopted family”, I went to the Families page of the child and clicked “Link this person to an existing family as a child”. Chose the FAM and selected ADOPTED from the drop down.
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Alter-Drukarsh Connections 3.3.10b/the Garelicks <family members only>
The Royals | The Kennedys |The Gerrer Rabbis 3.3.10b <.rbcsolutions.ca>