Yes, and that is your solution, unless your computer includes a digital optical output, as the DRA-800H seems to have digital optical inputs (great for connecting digital audio from your tv, typically up to 24/192 resolution).
It will be easy to find a better DAC than the one onboard in your receiver.
One inexpensive option:
https://www.schiit.com/products/modi-1 for $100.
It will be easy to find a better DAC than the one onboard in your receiver.
One inexpensive option:
https://www.schiit.com/products/modi-1 for $100.