Here is the original item:
Paulie is a daredevil
(A) who enjoys skydiving,
motorcycle racing, and boxing. But
(B) will
not eat raw cookie dough
(C) because he is
afraid of bacteria from uncooked eggs.
You wanted to do this:
Paulie is a daredevil who enjoys skydiving, motorcycle racing, and boxing.
But will not eat raw cookie dough,
because he is afraid of bacteria from uncooked eggs.
Adding a comma after dough is an error. Rarely do you use a comma to attach a concluding subordinate clause. Moreover, 99.99% of the time, you will not need a comma with because.
You might want to review the rules.