Since you live in Texas and Texas is a community property state, it's unlikely that filing Married Filing Separately will be better than jointly.
This is because in a community property state each spouse is considered to make 1/2 of ALL the income, even if one spouse earned it all. In your case this means that you would report 1/2 of your spouse's income ($10k) and 1/2 of your income ($75), and she would do the same.
Here is some additional information for you as well:
https://ttlc.intuit.com/replies/3301943
