I’ll try that ! Thanks you. I have a feeling she will just be protective of the baby if anything, as she loves kids just the part of her getting less of my attention has me a bit worried.

The sounds you can play on your phone like. Crying baby and use them with some form of doll usually works, you can put it in things like the crib, car read, swings etc

Also pay a bit of attention to the doll over her and see how she reacts, it's better she reacts to the doll first that your newborn