Note:
If your child was baptised in an Eastern Catholic Church (such as the Maronite, Melkite or Ukrainian Churches) your child would have received all of the sacraments of initiation (baptism, confirmation and communion) during their baptism liturgy.
They are welcome to be part of the preparation for Reconciliation and Eucharist, but they should know that this will not be their 'first communion.'
The sacrament of confirmation cannot be repeated. Your child is welcome to be part of the program, but they will receive a blessing instead of Confirmation.