Can someone help me fill out a 8379 form to make sure I plug in the correct figures?

[Critter]

The program will do it for you  otherwise use the instructions ....

How do I file Form 8379, Injured Spouse Allocation?

https://ttlc.intuit.com/replies/3326788

8379 is the Injured spouse form.  

To file an injured spouse go to
Federal Taxes or Personal (for H&B version)
Other Tax Situations
Other Tax Forms
Miscellaneous Tax Forms - click the Start or Update button
7th item, Report an injured or innocent spouse claim

Here is a blank form 8379
http://www.irs.gov/pub/irs-pdf/f8379.pdf 

And the 8379 instructions
http://www.irs.gov/instructions/i8379/ch01.html 

Injured Spouse FAQ
https://ttlc.intuit.com/questions/1910698-form-8379-injured-spouse-allocation

IRS info :   https://turbotax.intuit.com/tax-tools/tax-tips/IRS-Tax-Forms/What-is-IRS-Form-8379--Injured-Spouse-A...