Please help!!

My son is a week old and he will only eat from one boob. Like no matter what I do he’ll eat from my right for less than five minutes and then my left for 10+ minutes. I’ll offer him my right first, he’ll suck on it for a few minutes and get really angry so then I’ll switch to my left and let him eat until he’s relaxed and then give him my right again. He’ll latch for a couples seconds and get a few good sucks and then unlatch.

And I can’t pump afterwards because I have a toddler and I literally can’t take the time to pump. I wish I could of afforded the cordless pumps but even with insurance it was too much. So that means my right boob is barely getting used. What can I do?