No deal is perfect, and anyone on these forums will have different investment objectives as you, but you will typically get some things to at least think about before moving forward.

My question is, would selling this asset now to clean up all my personal debt (~$50k) with the leftover used to reinvest be my best move currently in your opinion?

Quote from @Grant Shipman: Hey BiggerPockets Community,If you’re raising capital for real estate syndications, you need to be aware of SEC regulations—because one wrong move could put you in serious legal trouble.Many new syndicators think they can just start pooling money from investors without following the proper rules.

Someone is always looking to move, you just need to know why.

What would be the best loan option for purchasing another property under my name that I’ll be moving into as my new primary residence? 

Depending on how it is done and what guarantees the government offers and requires of the released entities, interest rates could move slightly higher.

I recently had a long-term (5.5 years) tenant move out.

I never was able to coordinate a consistent quarterly meeting for planning, I never knew who to contact because they have multiple levels of their workers and people were constantly moving in and out of the organization.  

Medical technical people do not like to move since their clients are tied geographically.  6.  

When ADU is complete, rent it or move in and remodel main house.After a few years, I think it is highly likely (again wouldn’t count on it, but would leave the possibility open) that CO allows and encourages those who build ADUs to subdivide their properties so that more people can own their homes.sell the ADU and main house separately, benefit from enormous upside.