My son 4 days old

Martisha
Hey lady's. I'm in need of help right now . I can't get wic . So I'm try to figure out what the best milk to put my son on . Cuz I have 0 breast-feeding milk . The hospital sent him home with supplements milk in til my milk come in . And still nothing . And he seem not to get full with that . So what will be the best milk to put him on . Plz no judgement