I have a team of MH professionals involved. It's just that when he comes home and asks how my day was, I give him an honest answer and share both the good and bad parts. He seems to not want to hear the bad anymore. I almost feel like he'd rather I just lie. I feel like he wants me to be "over" the PND and just coping. I'm someone who doesn't see the point in being with someone who I can't be candid and honest with about my feelings.
As someone who had had a severely depressed partner, it's important that you focus on your health but do also recognise that he is a person as well, who is struggling too. If he came home from work and told you all about how hard the day had been, and how he was having to go to work with almost no sleep due to night feeds and how he was worried for and about you... Likely you'd find it overwhelming. And if it was a regular occurrence for weeks and weeks, it might be even harder to cope with, even if you weren't depressed yourself. Especially if he then didn't want to hear about your day at all, or blamed you for not listening.
You need and deserve support and it's great you've got a team of professionals. Even if he's not depressed himself, he is still struggling and has no team behind him, and is trying to be a part of your team too.
You need to work together, and if you see your counsellor together, you need to be ready to listen to him just like you want him to listen to you.
Depression killed our marriage, in the end - he was so angry and blamed me and the kids when he was down, and now when he's better he is terribly sorry and wants us all back, but sometimes things just break and there's no coming back. Fortunately this isn't always the case, but you do have to try to work out what you both need, and what is real and what is the depression trying to tell you things. You sound like a very loving parent, and you can get through this 