Which type of pronoun is bolded in the following sentence I think will get this platter.?

The bolded pronoun in the sentence "I think will get this platter?" is not a pronoun.

"Will" is an auxiliary verb (helping verb) in this sentence. It's part of the future tense verb phrase "will get".

Pronouns are words that replace nouns (e.g., he, she, it, they, etc.).