The relationship dynamic between RAYE and Michael B. Jordan might not be romantic, after all. Source: Karwai Tang / Araya Doheny Following reports that Michael and RAYE–born Rachel Keen–had been on a few dinner dates prior to their outing at Six Flags, new sources are claiming their relationship is actually more business than pleasure. A source told TMZ that the Sinners star and singer are just friends, and their theme-park outing was only frien…