Work + Baby... I need advice. ☹️

I’ve been back to work for a little over a month now, my son is 3 months, and I was just recently diagnosed with postpartum depression. What triggers it the most for me is having to leave my baby to go to work every day. I work 5 days a week, from 2-10pm and with my sons sleep schedule I only see him on the days I work for 3-4 hours before I have to take him to my moms and go to work. It’s starting to get really hard for me, but I don’t know what to do. We can’t afford for me to completely quit my job and my body can’t handle switching to third shifts to where I could see him the whole day but work while he’s asleep.. It just kills me leaving him every day. I know I’m working to provide for my family but I feel disconnected from him and even my fiancé and just feel like my son doesn’t even love me bc I’m hardly around... what do I do? 😭