The Democratic party is supporting Independent Dan Osborn who has a legitimate chance to win the race (though it is still a pretty big longshot). Burbank does not want to run in November, she just wants to keep Forbes off the ballot so he doesn't siphon votes from Osborn.
https://nebraskavoterguide.com/candidates/william-j-forbes
1 BORN-ALIVE ABORTION SURVIVORS PROTECTION ACT
Do you support legislation requiring life-saving care for babies born alive after a failed abortion attempt?
William J. Forbes: Yes
2 TAXPAYER-FUNDED ABORTION
Do you support giving taxpayer dollars to organizations that perform or refer for abortion?
William J. Forbes: No
3 PROTECT GIRLS SPORTS & SPACES
Do you support legislation prohibiting men from playing in girls sports and using womens restrooms and locker rooms?
William J. Forbes: Yes
4 TRANSGENDER SURGERIES FOR MINORS
Do you support allowing sex-change surgeries to be performed on children?
William J. Forbes: No
5 PARENTAL RIGHTS
Do you support the right of parents to control what their child is taught in the classroom, including on topics like sexual orientation and gender identity?
William J. Forbes: Yes
6 RELIGIOUS FREEDOM
Do you support protecting sincerely held religious beliefs and practices about marriage, family, and sexuality from government discrimination?
William J. Forbes: Yes
7 ORIGINALISM
Do you believe the judiciary branch should uphold the rule of law and interpret the U.S. Constitution according to what the text says?
William J. Forbes: Yes