Well I can't answer your question with using what you have, but it looks like you could get them over generations of selective breeding by crossing BBRs and homozygous dominant whites.How do I make red Pyle I have Wheaton,blue Wheaton and blue Wheaton sport?
I found this thread, and the links don't work, but I think the color genetics website is now here: https://www.kippenjungle.nl/chickengenetics/theory.html