A Rooster personality isn't the best match for a Sheep personality, but it isn't the worst either. Both sides will feel unsatisfied in some areas but maybe not enough to do anything about it.
You're too ostentatious
A contrary affair
Dubious
Once you've taken the personality test, choose two animal personalities from the dropdown lists below and click "Make a Match" to see how compatible they are. You can read more about how different animals get along at Relationships Between Animal Personalities.