Need help determining correct withholding amounts
I am having trouble figuring out our withholdings and it seems that we always owe more federal tax despite doing extra withholdings. Married filing jointly. One dependent child. Here are the lines from our 2023 1040:
Line 1a: 207,953
Line 1z: 207,953
Line 2b: 1,382
Line 3b: 2,794
Line 4b: 2
Line 7: 1,091
Line 8: 1,700
Line 9: 215,922 (total income)
Line 10: 121
Line 11: 214,801 (AGI)
Line 12: 27,700 (standard deduction)
Line 13: 329
Line 14: 28,029
Line 15: 186,772 (total taxable income)
Line 16: 31,473 (tax)
Line 17: 0
Line 18: 31,473
Line 19: 2,000
Line 20: 99
Line 21: 2,099
Line 22: 29,374
Line 23: 265
Line 24: 29,639 (total tax)
Line 25a: 27,303 (federal withheld)
Line 25d: 27,303 33: 27,303 (total withheld)
Owe: 2,336
I already do an additional $465/month withheld federal and my wife does an additional $150/every 2 weeks.
We don't claim our dependent on step 3 in our W4, which I would think would result in us withholding more than we would if we did claim the child.
What should we do differently?