I ended up using Adobe Encore and got vastly superior results.
Here was my workflow 1080p ProRes Timeline 30p in FCP
Export as QT ProRes
Transfer over network to PC
Open up Adobe encoder, set to 1080 29.97 fps, Audio Dolby, 10min, 15target, 16 max
Export to Adobe Encore
burn as blu-ray folders
use image burn to write to DVD-5