Hello,
Did you end up getting your green card?
My wife's case is the same.
Arrived in US on 4th Oct
Went to SSN office on 7th Nov as we didn't receive the Ssn yet , they asked us to wait a month.
Received letter for re-biometrics on Dec 3rd for appointment on 27th Dec
They just took photograph no fingerprints, Currently waiting or will check with Emma in a month.