For what are you breeding? Show? Pets? Color? Improve the male? If breeding to improve on the male you'd have to make allowances in the female for split ventrals and round anal fin. I don't know if a stair-stepping dorsal is a fault in PK as it is in HM. If it is a fault you'd have to take that into consideration, too.
We need to see a picture of the female before we can make any comments on the pair. What is your goal for the cross? Crossing ee to normal will give you only normal pectorals in f1 and it can take a bit of hard work to get ee back into the line once outcrossed