Should my legal structure be llc or sole proprietorship. I am just starting a job where I am going to be an independent contractor and I have a small crafting business.

my husband wants to be able get the most out of our tax return since we are in a higher tax bracket. In previous yrs I have had no income to report.  Will I need to file a separate tax return in my business structure is llc or can I include it in our joint tax return. Will sole proprietor structure be my better option since I don't have any employees?