The funny thing is that back in Feb 2018, a bipartisan group of Senators had a package with $25B for border security and a plan to help the Dreamers. The White House rejected it. Now the offer is $5B and a plan to help the Dreamers.
Yes, they rejected it because it didn't contain the other provisions that Trump wanted.
- Ending visa lottery
- Ending chain migration
Also, the Dreamers would have gotten only permanent residency (green card), rather than a pathway to citizenship.
A limited DACA deal and $5B immediately might be a better deal. It all depends on the details.