No, the refund you received from your original return does not need to be returned because you amended your return.
If you expect to receive a refund from your amended return, it is in addition to your original refund.
** The amendment Form 1040X will be ready in mid-February.
Amendments need to be printed, signed, and mailed when completed.
See FAQ below on returning your refund after amending:
https://ttlc.intuit.com/replies/4642225
