I would just point out that any chick carrying the sex link barring gene would have a spot on the head of the chick down, and both males and females would get if their father were pure for the barring gene. If the male had only one copy of B, then half the females and half the males would inherit, so it is not a sex link cross. The way to get sex linked chicks with that cross is to use solid males and barred females. That way the males get one copy of B from their mothers, and the females would be solid colored, as they would not get a copy of B since their sire did not carry it.