All other considerations equal you can get a benefit from using balanced XLR interconnects, and it shouldn't hurt anything.
In some cases, one of the XLR or RCA input of a component may be of significant higher quality over the other to an audible degree, but this is relatively rare and depends upon the component.
In some cases, one of the XLR or RCA input of a component may be of significant higher quality over the other to an audible degree, but this is relatively rare and depends upon the component.