Breastfeeding — Need help with healing tips and tricks before LC Mon

I have been having one hell of a time breastfeeding my 3 day old. My milk is not in yet and it feels like I just cannot get a proper latch! My nipples are cracked, both with bruises, and one with a few blisters. No LC came to help us when we were sent to mother and baby unit on Wednesday (we are home now) so I didn't know I was fucking them up from the get go. Although we have improved a ton and will go see a LC in a couple days, I just feel so helpless. I am in so much pain and the shield helps just enough for a few minutes of fussy back and forth until I take it off and give her my raw nipple.