Anyone else go through this?

im not sure exactly what to do i am a newly single mother of a 4 month old his dad left the day i got home from the hospital i finally got a job but am struggling making my bills i was evicted and found out today that i have a warrant for a failure to appear bc they locked my mailbox and had no idea i had court i cant afford a lawyer and am afraid to drive...what if i get pulled over with my baby in the car i have no family i was with my fiance for 7 yrs and he is livin it up hes at a nba game tonight having fun i honestly just dont know what to do...any advice