Advice needed\ Stressed out mama

I’m a young mom and technically a FTM ( I have 2 step children 5&7) my son is 8 months and I have a hard time cleaning my house. I used to do it every day or every other day. Now I’ll go a week without cleaning and it annoys me because every time I try to clean, my son cries the whole time. He’s finally content right now but I’ve tried toys and letting him crawl on the floor and play, I’ve tried kids TV shows, even tried distracting him with his siblings but they get bored of him fast and/or are not careful with him. I’ve tried wearing him but it hurts my back so bad after 10 minutes. Normally when I get done cleaning, i’m in excruciating pain anyway but wearing him makes it take over faster and then I can’t get the cleaning done. I am the only one that cleans because I’m a SAHM but I also like doing it cus I know it gets done the way I want it to. How do I keep my 8 month old entertained so I can get back cleaning my house the way I used to? 😭