XLR or RCA for my new DAC

Hi All,

So I ordered the Schiit Audio Bifrost (thanks to the good folks here turning me on to Schiit) which is arriving today (I originally ordered the Modius but the BO date got pushed back and I didn't want to wait). This is my very first DAC and I plan to use it strictly for my Pioneer cd player which is an ancient PD-F908, thus turning it into a transport. Should I go XLR or RCA connecting it to my processor which is a Rotel RSP-1582? 

What do you Kool Kats with DAC experience think?

Thank you all in advance...