Definitely don’t go back to a PC.
There is a place to show your system. Would help us better assess where you are at and taylor recommendations.
I have brought my digital end from terrible, step by step to having sound quality equal to my excellent vinyl system over the last 20 years.. So by the streamer quality and DAC quality you chose the sound quality that the rest of the system can provide. If you want it can sound as good or better than your vinyl rig.