You will also have time to see how those new pullets perform, which will help decide if their sibling will produce the sort of hens you want to have. If they are poor producers, he won't improve your flock.
Mary
IMO, no rooster is pretty enough to overcome bad behavior! I'd remove this guy, and see how your cockerels develop. If none of them make the grade, there's always time for more straight run chicks in the spring, or maybe even this fall.
No wonder the seller wanted him gone! Somebody will be...