It will get better Tegan. I always say to mums when they are doing the newborn thing - the first 6w is survival. Thats it. If you can get through the next 2 weeks, you will be right, it will all start falling into place.
In the meantime, can you do maybe 2-3 nights, and then DH do a night to give you a rest?
There are so many things to suggest to try, its got my head swirling just thinking about them all. Little things like wrapping style, to being upright, to jiggling, and I'm sure you have tried them all.
Make a big list of things to try and work through them all one by one.

Its a nightmare, and its hard work. Keep going, you are almost seeing the light.