Look in the mirror and repeat:
“I’m beginning to think you may need to understand the meaning of the word Paul uses in Ephesians 3:2.”
Seriously! Dispensation as used in the Bible means most closely “provision.”
.
Sigh. Nope.
Greek - oikonomia - management of household affairs, stewardship, administration, administration, dispensation.
Never once is it translated "provision" or any of it's Synonyms.