Can. When the KFC Dashen Card is tied to a friends and family account, the secondary card user can enjoy a 60% discount once a day within their capacity. This means that if both the primary and secondary cardholder want to purchase breakfast, then each will get one chance to enjoy the 60% discount. Two people can take advantage of this discount at the same time each day, but each person's eligibility for the discount is independent. Therefore, it can be used.